Publications

2025  

 

Anne J.M.R. Geijsen, Anja Lok, Thomaz Bastiaanssen, Meike Bartels. Microbiota and    wellbeing: A systematic review of associations with microbial diversity and composition.          https://osf.io/preprints/psyarxiv/discover.

 

Jack Dahan; Jasper B. Zantvoord; Anja Lok; Karel W. F. Scheepstra. Viewpoint article: Over-mystifying the psychedelic experience. JAMA Psychiatry, accepted, online 29 october 2025.

 

Hannah van Houten, Eftychia Stamkou, Makiko Sadakata, Anja Lok. Beyond the Notes: Why Jazz Improvisation Remains Uniquely Human in the Age of AI. Submitted.

 

Van der Wal J.. Lok, A… Nicolaou M. Effect of a national mental health campaign on population mental resilience in the Netherlands: a retrospective longitudinal cohort analysis using a dynamical systems perspective. Lancet Regional Health-Europe. online 4 September 2025, 101434.

 

Bergfeld, I., el Khamisy, S, Lok, A. The efficacy of electroconvulsive therapy in adolescents with mood disorders: a systematic review and meta-analysis. Submitted.

 

Lok, A., Kemble, A., Hoxha, H. Mol., F. Bergfeld., I. Scoping Review of Anhedonia in Adolescents with Mood Disorders: neurobiological Insights and Opportunities. Under review.

 

GJJ Mol, T Goedemans, S Rutten, IO Bergfeld, MS Oudijn, F de Wit, L Aben, DS Scheepens, KWF Scheepstra, EC Puts, VJJ Odekerken, RHN Prins, M Bot, P van den Munckhof, A Lok, RJT Mocking. ECT bij patiënten met diepe hersenstimulatie: de eerste Nederlandse casuïstiek. Tijdschrift voor Psychiatrie. 2025/5: 291-295. 

 

Huth KBS, van der Wal J, Zavlis O, Luigjes J, Lakerveld J, Galenkamp H, Lok A, Stronks K, Bockting CL, Marsman M, Goudriaan AE, van Holst RJ. Individual and neighborhood determinants of depressive symptoms in ethnic minorities in the urban HELIUS sample: a multi-level network perspective. Soc Sci Med. 2025 Sep;381:118195.

 

Galenkamp H, Koopman ADM, van der Zwan JE, van den Born BH, Lok A, Moll van Charante EP, Prins M, Verhoeff AP, Zwinderman AH, Stronks K. Cohort Profile Update: The Healthy Life in an Urban Setting (HELIUS) Study. Int J Epidemiol. 2025 Apr 12;54(3):dyaf071. doi: 10.1093/ije/dyaf071.

 

Bozhar, H., de Rooij, S.R., Lok, A. et al. Understanding Affective Symptoms and Substance Use in Older Adolescents in an Urban Context: a Network Approach. Int J Ment Health Addiction (2025).

 

Gonçalves DDC, Agyemang C, van der Linden EL, Benjamin CH, Lok A, Galenkamp H, Moll van Charante E, Chilunga FP. Impact of psychosocial stressors on type 2 diabetes among migrants and non-migrants in The Netherlands: The HELIUS study. J Migr Health. 2025 Mar 31;11:100330.

 

Hanan Bozhar, Susanne R de Rooij, Anja Lok, Tanja Vrijkotte, Helle Larsen, On the edge of the social media landscape: associations with adolescent substance use and moderation by parental rules, Journal of Public Health, Volume 47, Issue 1, March 2025, Pages 90–98.
 

2024

 

C Heuschen, K Bolhuis, JB Zantvoord, CL Bockting, D Denys, A Lok. Self-reported suicidal        ideation among individuals with first episode psychosis and healthy controls: Findings from the    international multicentre EU-GEI study. Schizophrenia Research 270, 339-348.

 

JM van der Wal, KBS Huth, A Lok, CL Bockting, K Stronks, M Nicolaou. Exploring the mechanisms underlying increased risk of depressive disorder in ethnic minority populations in Europe: A causal loop diagram. Social Science & Medicine 351, 116977

 

Christin Kühner, Joanne P Will, Sera A Lortye, Henrike Galenkamp, Anja Lok, Mirjam van Zuiden, Arnoud R Arntz, Kathleen Thomaes, Anna E Goudriaan, Marleen M de Waal. The association between Post-Traumatic stress disorder and problematic alcohol and cannabis use in a multi-ethnic cohort in The Netherlands: The HELIUS study. International Journal of Environmental Research and Public Health 21 (10), 1345.

 

Anouk Verveen, Fajar Agung Nugroho, Ioan Gabriel Bucur, Elke Wynberg, Hugo DG van Willigen, Udi Davidovich, Anja Lok, Eric P Moll van Charante, Godelieve J de Bree, Menno D de Jong, Neeltje Kootstra, Tom Claassen, Marien I de Jonge, Tom Heskes, Maria Prins, Hans Knoop, Pythia T Nieuwkerk, RECoVERED Study Group

 

Hanan Bozhar, Susanne R de Rooij, Anja Lok, Tanja Vrijkotte, Helle Larsen. On the edge of the social media landscape: associations with adolescent substance use and moderation by parental rules. Journal of Public Health, 2024, fdae290.

 

Galenkamp, Anitra D.M. Koopman, J. Esi van der Zwan, Bert-Jan H. van den Born, Anja Lok, Eric P. Moll van Charante, Maria Prins, Arnoud P. Verhoeff, Aeilko H. Zwinderman, Karien Stronks The Healthy Life in an Urban Setting (HELIUS) study in Amsterdam, The Netherlands: cohort update 2024 and key findings. doi: https://doi.org/10.1101/2024.07.16.24310494

 

van der Wal, J. M., Huth, K. B. S., Lok, A., Bockting, C. L., Stronks, K. & Nicolaou, M. Exploring the mechanisms underlying increased risk of depressive disorder in ethnic minority populations in Europe: A causal loop diagram Jun 2024, Social Science and Medicine. 351, 116977

 

Heuschen CBBCM, Bolhuis K, Zantvoord JB, Arjadi R, Denys DAJP, Nauta MH, Lok A, Bockting CL. Internet-based behavioural activation therapy versus online psychoeducation for self-reported suicidal ideation in individuals with depression in Indonesia: a secondary analysis of an RCT.BMJ Ment Health. 2024 Feb 20;27(1):e300918. doi: 10.1136/bmjment-2023-300918

 

Zantvoord, J. B., Ensink, J. B. M., op den Kelder, R., Diehle, J., Lok, A. & Lindauer, R. J. L. Autonomic nervous system function before and after trauma-focused psychotherapy in youth with (partial) posttraumatic stress Psychoneuroendocrinology. 162, 10694,5 2024.
 

2023  

 

van der Wal, J. M., van Borkulo, C. D., Haslbeck, J. M. B., Slofstra, C., Klein, N. S., Blanken,   T. F., Deserno, M. K., Lok, A., Nauta, M. H. & Bockting, C. L., Differential impact of   preventive cognitive therapy while tapering antidepressants versus maintenance     antidepressant treatment on affect fluctuations and individual affect networks and impact on            relapse: a secondary analysis of a randomised controlled trial. Dec 2023, In: EClinicalMedicine.        66, 102329.

 

Schukking N, Scheepstra KWF, Bergfeld IO, van Waarde JA, Tendolkar I, Spaans HP, Hegeman AJM, Scheepens DS, Lok A. A Multicenter Retrospective Chart Review on the Effectiveness and Tolerability of Electroconvulsive Therapy in Adolescents and Young Adults With Major Depressive Disorder or Bipolar Depression. J ECT. 2023 Nov 16. doi: 10.1097/YCT.0000000000000978.

 

Verveen A, Wynberg E, van Willigen HDG, Davidovich U, Lok A, Moll van Charante EP, de Jong MD, de Bree G, Prins M, Knoop H, Nieuwkerk PT. Mental health up to 12 months following SARS-CoV-2 infection: A prospective cohort study. J Psychosom Res. 2023 Dec;175:111520. doi: 10.1016/j.jpsychores.2023.111520. Epub 2023 Oct 12.

 

Vonk, S., Lok, A., Dijkstra, E., van Oostrom, I., Arns, M. & Scheepstra, K., Effectiveness of rTMS in depression in young adults. Mar 2023, In: Brain Stimulation. 16, 2, p. 645-646 2 p

 

Souama C, Lamers F, Milaneschi Y, Vinkers CH, Defina S, Garvert L, Stein F, Woofenden T, Brosch K, Dannlowski U, Galenkamp H, de Graaf R, Jaddoe VWV, Lok A, van Rijn BB, Völzke H, Cecil CAM, Felix JF, Grabe HJ, Kircher T, Lekadir K, Have MT, Walton E, Penninx BWJH. Depression, cardiometabolic disease, and their co-occurrence after childhood maltreatment: an individual participant data meta-analysis including over 200,000 participants> on behalf of the EarlyCause consortium, 1 Dec 2023, In: BMC medicine. 21, 1, 93

 

Wynberg E, Verveen A, van Willigen HDG, Nieuwkerk P, Davidovich U, Lok A, de Jong MD, de Bree GJ, Leenstra T, Knoop H, Prins M, Boyd A; RECoVERED Study Group. Two-year trajectories of COVID-19 symptoms and their association with illness perception: A prospective cohort study in Amsterdam, the Netherlands. Influenza Other Respir Viruses. 2023 Oct 1;17(10):e13190. doi: 10.1111/irv.13190. eCollection 2023 Oct. PMID: 37789876

 

Neuteboom D, Zantvoord JB, Goya-Maldonado R, Wilkening J, Dols A, van Exel E, Lok A, de Haan L, Scheepstra KWF. Accelerated intermittent theta burst stimulation in major depressive disorder: A systematic review. Psychiatry Res. 2023 Sep;327:115429. doi: 10.1016/j.psychres.2023.115429. Epub 2023 Aug 21

 

Müller F, Veen LM, Galenkamp H, Jim HSL, Lok A, Nieuwkerk PT, Suurmond J, van Laarhoven HWM, Knoop H. Emotional distress in cancer survivors from various ethnic backgrounds: Analysis of the multi-ethnic HELIUS study. Psychooncology. 2023 Sep;32(9):1412-1423. doi: 10.1002/pon.6192. Epub 2023 Jul 21

 

Hummel B, Yerkes MA, Harskamp RE, Galenkamp H, Kunst AE, Lok A, van Valkengoed IGM. The COVID-19 pandemic and temporal change in metabolic risk factors for cardiovascular disease: A natural experiment within the HELIUS study. SSM Popul Health. 2023 Sep;23:101432. doi: 10.1016/j.ssmph.2023.101432. Epub 2023 May 19

 

Campman SL, van Rossem G, Boyd A, Coyer L, Schinkel J, Agyemang C, Galenkamp H, Koopman ADM, Leenstra T, Schim van der Loeff M, Moll van Charante EP, van den Born BH, Lok A, Verhoeff A, Zwinderman AH, Jurriaans S, Stronks K, Prins M. Intent to vaccinate against SARS-CoV-2 and its determinants across six ethnic groups living in Amsterdam, the Netherlands: A cross-sectional analysis of the HELIUS study. Vaccine. 2023 Mar 17;41(12):2035-2045. doi: 10.1016/j.vaccine.2023.02.030. Epub 2023 Feb 13

 

Korenblik V, Brouwer ME, Korosi A, Denys D, Bockting CLH, Brul S, Lok A. Are neuromodulation interventions associated with changes in the gut microbiota? A systematic review. Neuropharmacology. 2023 Feb 1;223:109318.

 

Willemen FEM, Heuschen CBBCM, Zantvoord JB, Galenkamp H, de Wit MAS, Zwinderman AH, Denys DAJP, Bockting CLH, Stronks K, Lok A. Perceived ethnic discrimination, suicidal ideation and mastery in a multi-ethnic cohort: the HELIUS study. BJPsych Open. 2023 Jan 20;9(1):e21. doi: 10.1192/bjo.2022.640
 

Chavez-Baldini U, Nieman DH, Keestra A, Lok A, Mocking RJT, de Koning P, Krzhizhanovskaya VV, Bockting CLH, van Rooijen G, Smit DJA, Sutterland AL, Verweij KJH, van Wingen G, Wigman JTW, Vulink NC, Denys D. The relationship between cognitive functioning and psychopathology in patients with psychiatric disorders: a transdiagnostic network analysis. Psychol Med. 2023 Jan;53(2):476-485.
 

Wichers RH, van der Wouw LC, Brouwer ME, Lok A, Bockting CLH. Psychotherapy for co-occurring symptoms of depression, anxiety and obsessive-compulsive disorder in children and adults with autism spectrum disorder: a systematic review and meta-analysis. Psychol Med. 2023 Jan;53(1):17-33.

 

2022

 

Bosch, J.A., Nieuwdorp, M., Zwinderman, A.H., Deschasaux, M., Radjabzadeh, D., Kraaij, R., Davids, M., de Rooij, S.R., Lok, A., (2022) The gut microbiota and depressive symptoms across         ethnic groups. Nat Commun 13, 7129 (2022)

 

Radjabzadeh, D., Bosch, J.A., Uitterlinden, A., Zwinderman, A.H., Ikram, A.F., van Meurs, J., Luik, A., Nieuwdorp. M., Lok, A., van Duijn, C., Kraaij, R., Amin, N. (2022). Gut microbiome-wide association study of depressive symptoms. Nat Commun 13, 7129 (2022).

 

Verveen A, Wynberg E, van Willigen HDG, Davidovich U, Lok A, Moll van Charante EP, de Jong MD, de Bree G, Prins M, Knoop H, Nieuwkerk PT; RECoVERED Study Group. Health-related quality of life among persons with initial mild, moderate, and severe or critical COVID-19 at 1 and 12 months after infection: a prospective cohort study. BMC Med. 2022 Nov 2;20(1):422.

 

Karaszewska D, Cleintuar P, Oudijn M, Lok A, van Elburg A, Denys D, Mocking R. Efficacy and safety of deep brain stimulation for treatment-refractory anorexia nervosa: a systematic review and meta-analysis. Transl Psychiatry. 2022 Aug 15;12(1):333.

 

van Nieuwenhuizen BP, Sekercan A, Tan HL, Blom MT, Lok A, van den Born BH, Kunst AE, van Valkengoed IGM. Is the Association Between Education and Sympathovagal Balance Mediated by Chronic Stressors? Int J Behav Med. 2022 Aug;29(4):426-437.

 

Willemen FEM, van Zuiden M, Zantvoord JB, de Rooij SR, van den Born BH, Hak AE, Thomaes K, Segeren M, Elsenburg LK, Lok A. Associations Between Child Maltreatment, Inflammation, and Comorbid Metabolic Syndrome to Depressed Mood in a Multiethnic Urban Population: The HELIUS Study. Front Psychol. 2022 Jul 14;13:787029.

 

Bergfeld IO, Ooms P, Lok A, de Rue L, Vissers P, de Knijff D, Horst F, Beute G, van den Munckhof P, Schuurman PR, Denys D. Efficacy and quality of life after 6-9 years of deep brain stimulation for depression. Brain Stimul. 2022 Jul-Aug;15(4):957-964.

 

Chavez-Baldini U, Verweij K, de Beurs D, Bockting C, Lok A, Sutterland AL, van Rooijen G, van Wingen G, Denys D, Vulink N, Nieman D. The interplay between psychopathological symptoms: transdiagnostic cross-lagged panel network model. BJPsych Open. 2022 Jun 27;8(4):e116.

 

Oudijn M, Linders J, Mocking R, Lok A, van Elburg A, Denys D. Psychopathological and Neurobiological Overlap Between Anorexia Nervosa and Self-Injurious Behavior: A Narrative Review and Conceptual Hypotheses. Front Psychiatry. 2022 May 11;13:756238.

 

Heuschen CBBCM, Mocking RJT, Zantvoord JB, Figueroa CA, Schene AH, Denys DAJP, Ruhé HG, Bockting CLH, Lok A. Suicidal ideation in remitted major depressive disorder predicts recurrence. J Psychiatr Res. 2022 Jul;151:65-72.

 

Verveen A, Wynberg E, van Willigen HDG, Boyd A, de Jong MD, de Bree G, Davidovich U, Lok A, Moll van Charante EP, Knoop H, Prins M, Nieuwkerk P; RECoVERED Study Group. Severe Fatigue in the First Year Following SARS-CoV-2 Infection: A Prospective Cohort Study. Open Forum Infect Dis. 2022 Apr 10;9(5):ofac127.

 

Strous JFM, Weeland CJ, van der Draai FA, Daams JG, Denys D, Lok A, Schoevers RA, Figee M. Brain Changes Associated With Long-Term Ketamine Abuse, A Systematic Review. Front Neuroanat. 2022 Mar 18;16:795231.

 

Coyer L, Boyd A, Schinkel J, Agyemang C, Galenkamp H, Koopman ADM, Leenstra T, Moll van Charante EP, van den Born BH, Lok A, Verhoeff A, Zwinderman AH, Jurriaans S, van Vught LA, Stronks K, Prins M. SARS-CoV-2 antibody prevalence and correlates of six ethnic groups living in Amsterdam, the Netherlands: a population-based cross-sectional study, BMJ Open. 2022 Jan 6;12(1):e052752.

 

Scheepstra, K. W. F., van Doorn, J. B., Scheepens, D. S., de Haan, A., Schukking, N., Zantvoord, J. B., & Lok, A. (2022). Rapid speed of response to ECT treatment in bipolar depression: A chart review. J Psychiatr Res. 2022 Mar;147:34-38.

 

Runia N, Yücel DE, Lok A, de Jong K, Denys DAJP, van Wingen GA, Bergfeld IO. The neurobiology of treatment-resistant depression: A systematic review of neuroimaging studies. Neurosci Biobehav Rev. 2022 Jan;132:433-448.
 

2021

  

Hagen JM, Sutterland AL, Collard D, de Jonge CDE, van Zuiden M, Zantvoord JB, Tan HL, van Valkengoed IGM, van den Born BJH, Zwinderman AH, de Haan L, Lok A. Ethnic discrimination and depressed mood: The role of autonomic regulation. J Psychiatr Res. 2021 Dec;144:110-     117.

 

Liza Coyer, Anders Boyd, Janke Schinkel, Charles Agyemang, Henrike Galenkamp, Anitra DM Koopman, Tjalling Leenstra, Eric P Moll van Charante, Bert-Jan H van den Born, Anja Lok, Arnoud Verhoeff, Aeilko H Zwinderman, Suzanne Jurriaans, Lonneke A van Vught, Karien Stronks, Maria Prins. SARS-CoV-2 antibody prevalence and determinants of six ethnic groups living in Amsterdam, the Netherlands: a population-based cross-sectional study, June-October 2020. MedRxiv. Lancet health, Europe, dec 2021

 

Anujuo K, Stronks K, Snijder MB, Lok A, Jean-Louis G, Agyemang C. Association between Depressed Mood and Sleep Duration among Various Ethnic Groups-The Helius Study. Int J Environ Res Public Health. 2021 Jul 3;18(13):7134.

 

Snoek A, Nederstigt J, Ciharova M, Sijbrandij M, Lok A, Cuijpers P, Thomaes K. Impact of comorbid personality disorders on psychotherapy for post-traumatic stress disorder: systematic review and meta-analysis. Eur J Psychotraumatol. 2021 Jun 22;12(1):1929753.

 

Fernald F, Snijder M, van den Born BJ, Lok A, Peters R, Agyemang C. Depression and hypertension awareness, treatment, and control in a multiethnic population in the Netherlands: HELIUS study. Intern Emerg Med. 2021 Oct;16(7):1895-1903.

 

Sargent K, Chavez-Baldini U, Master SL, Verweij KJH, Lok A, Sutterland AL, Vulink NC, Denys D, Smit DJA, Nieman DH. Resting-state brain oscillations predict cognitive function in psychiatric disorders: A transdiagnostic machine learning approach. Neuroimage Clin. 2021;30:102617.

 

Hagen JM, Sutterland AL, Liefers T, Schirmbeck F, Cohn DM, Lok A, Tan HL, Zwinderman AH, de Haan L. Skin autofluorescence of advanced glycation end products and mortality in affective disorders in the lifelines cohort study: A mediation analysis. J Affect Disord. 2021 Mar 1;282:1082-1089

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Hagen JM, Sutterland AL, Schirmbeck F, Cohn DM, Lok A, Tan HL, Zwinderman AH, de Haan L. Skin autofluorescence of advanced glycation end products and course of affective disorders in the lifelines cohort study, a prospective investigation. J Affect Disord. 2020 Nov 1;276:424-432.
 

2020  

 

Hagen JM, Sutterland AL, da Fonseca Pereira de Sousa PAL, Lok A, Tan HL, Zwinderman AH,  de Haan L. Association between skin autofluorescence of advanced glycation end products and     affective disorders in the Lifelines cohort study. J Aff Disord 2020; 275: 230-237.

 

Stronks K, Şekercan A, Snijder M, Lok A, Verhoeff AP, Kunst AE, Galenkamp H. Higher prevalence of depressed mood in immigrants’ offspring reflects their social conditions in the host country: The HELIUS study. PlosOne 15 (6), e0234006

 

Scheepens DS, van Waarde JA, Lok A, de Vries G, Denys DAJP, van Wingen GA. The Link Between Structural and Functional Brain Abnormalities in Depression: A Systematic Review of Multimodal Neuroimaging Studies. Front Psychiatry. 2020 Jun 3;11:485.

 

Nieman DH, Chavez-Baldini U, Vulink NC, Smit DJA, van Wingen G, de Koning P, Sutterland AL, Mocking RJT, Bockting C, Verweij KJH, Lok A, Denys D. Protocol Across study: longitudinal transdiagnostic cognitive functioning, psychiatric symptoms, and biological parameters in patients with a psychiatric disorder. BMC psychiatry 2020 (1), 1-9.

 

Carisha S. Thesing, Anja Lok, et al., Fatty acids and recurrence of major depressive disorder: combined analysis of two Dutch clinical cohorts. Acta Psych Scandin 2020 Apr;141(4):362-373.

 

van der Meer CAI, Bakker A, van Zuiden M, Lok A, Olff M. Help in hand after traumatic events: a randomized controlled trial in health care professionals on the efficacy, usability, and user satisfaction of a self-help app to reduce trauma-related symptoms. Eur J Psychotraumatol. 2020 Mar 10;11(1):1717155.

 

Bakema MJ, van Zuiden M, Collard D, Zantvoord JB, de Rooij SR, Elsenburg LK, Snijder MB, Stronks K, van den Born BH, Lok A. Associations Between Child Maltreatment, Autonomic Regulation, and Adverse Cardiovascular Outcome in an Urban Population: The HELIUS Study. Front Psychiatry. 2020 Mar 17;11:69

 

van Amsterdam JGC, Benschop A, van Binnendijk S, Snijder MB, Lok A, Schene AH, Derks EM, van den Brink W. A Comparison of Excessive Drinking, Binge Drinking and Alcohol Dependence in Ethnic Minority Groups in the Netherlands: The HELIUS Study. Eur Addict Res. 2020;26(2):66-76.

 

van der Wal JM, Bergfeld IO, Lok A, Mantione M, Figee M, Notten P, Beute G, Horst F, van den Munckhof P, Schuurman PR, Denys D. Long-term deep brain stimulation of the ventral anterior limb of the internal capsule for treatment-resistant depression. J Neurol Neurosurg Psychiatry. 2020 Feb;91(2):189-195.

 

Sunley AK, Lok A, White MJ, Snijder MB, van Zuiden M, Zantvoord JB, Derks EM. Ethnic and sex differences in the association of child maltreatment and depressed mood. The HELIUS study. Child Abuse Negl. 2020 Jan;99:104239.
 

2019  

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Nicolaou M., Colpo M., Vermeulen E., Elstgeest L.E.M. Cabout M., Gibson-Smith D., Knuppel A,    Sini G., Schoenaker D.A.J.M., Mishra G.D., Lok, A., Penninx B.W.J.H., Bandinelli S., Brunner   E., Zwinderman A.H., Brouwer I.A., Visser M.on behalf of the MooDFOOD consortium.  The role    of a priori dietary patterns in depressive symptoms: a harmonized meta-analysis of        observational studies. Psychol Med. 2019 Aug 14:1-12.

 

Jasper B. Zantvoord, Judith B.M. Ensink, Rosanne op den Kelder, Aimy M.A. Wessel, Anja Lok, Ramon J.L. Lindauer. Pretreatment cortisol predicts trauma-focused psychotherapy response in youth with (partial) posttraumatic stress disorder. Psychoneuroendocrinology, Volume 109, 2019, 104380.

 

2018  

 

Ter Horst DM, Schene AH, Figueroa CA, Assies J, Lok A, Bockting CLH, Ruhé HG, Mocking RJT. Cortisol, dehydroepiandrosterone sulfate, fatty acids, and their relation in recurrent     depression. Psychoneuroendocrinology. 2018 Oct 19;100:203-212.

 

Isidoor O. Bergfeld, Mariska Mantione, Martijn Figee, P. Richard Schuurman, Anja Lok, Damiaan Denys. Treatment-resistant depression and suicidality, Journal of Affective Disorders, Volume 235,2018,Pages 362-367.

 

Lok, Anja, Frijling, Jessie L., Van Zuiden, Mirjam. Posttraumatic stress disorder: Current insights in diagnostics, treatment and prevention. 2018: Nederlands Tijdschrift voor Geneeskunde. Vol. 162(3).
 

2017  

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Vermeulen, Esther, Karien Stronks, Marieke B. Snijder, Aart H. Schene, Anja Lok, Jeanne H.   de Vries, Marjolein Visser, Ingeborg A. Brouwer, and Mary Nicolaou (2017). A combined high-  sugar and high-saturated-fat dietary pattern is associated with more depressive symptoms in a multi-ethnic population: The helius (healthy life in an urban setting) study. Public health  nutrition 20, no. 13 p. 2374-2382.

 

M van Zuiden, SQ Haverkort, Z Tan, J Daams, A Lok, M Olff. DHEA and DHEA-S levels in posttraumatic stress disorder: a meta-analytic review. Psychoneuroendocrinology 84, 76-82.

 

WF Scholte, L Verhaak, A Lok, R Ghafoerkhan. The mental health of trafficked persons. 2017. Routledge handbook of human trafficking, 291-302.
 

2016

 

GJ de Vries, R Mocking, A Lok, J Assies, A Schene, M Olff. Fatty acid concentrations in            patients with posttraumatic stress disorder compared to healthy controls. Journal of Affective Disorders 205, 351-359

 

A Lok, GJ de Vries, RT Mocking, J Assies, AH Schene, M Olff. Altered One-carbon Metabolism in Posttraumatic Stress Disorder Biological Psychiatry, 79 (9), 182S-182S.
 

2015  

 

J Assies, RJT Mocking, A Lok, MWJ Koeter, CLH Bockting, I Visser, Erythrocyte fatty acid         profiles and plasma homocysteine, folate and vitamin B6 and B12 in recurrent depression: Implications for co-morbidity with cardiovascular disease. Psychiatry research 229 (3), 992-  998.

 

RJT Mocking, CM Pellikaan, A Lok, J Assies, HG Ruhé, MW Koeter and AH Schene. DHEAS and cortisol/DHEAS-ratio in recurrent depression: State, or trait predicting 10-year recurrence? Psychoneuroendocrinology 59, 91-10.

 

GJ de Vries, A Lok, R Mocking, J Assies, A Schene, M Olff. Altered one-carbon metabolism in posttraumatic stress disorder. Journal of Affective Disorders 184, 277-285.
 

2014  

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A Lok, RJT Mocking, J Assies, MW Koeter, CL Bockting, GJ de Vries, I Visser, EM Derks,            Manfred Kayser, AH Schene. The one-carbon-cycle and methylenetetrahydrofolate reductase    (MTHFR) C677T polymorphism in recurrent major depressive disorder; influence of antidepressant use and depressive disorder.  Journal of affective disorders 166, 115-123

 

J Assies, RJT Mocking, A Lok, HG Ruhé, F Pouwer, AH Schene. Effects of oxidative stress on fatty acid‐and one‐carbon‐metabolism in psychiatric and cardiovascular disease comorbidity. Acta Psychiatrica Scandinavica 130 (3), 163-18
 

2013  

 

Lok, A., Bockting, C.L.H., Koeter, M.W.J., et al., (2013). Interaction between the MTHFR        C677T polymorphism and traumatic childhood events predicts depression. Translational         psychiatry, 3(7), p.e288.

           

RJT Mocking, HG Ruhé, J Assies, A Lok, MWJ Koeter, I Visser, AH Schene. Relationship             between the hypothalamic–pituitary–adrenal-axis and fatty acid metabolism in recurrent     depression. Psychoneuroendocrinology 38 (9), 1607-1617

 

CLH Bockting, RJ Mocking, A Lok, MWJ Koeter, AH Schene. Therapygenetics: the 5HTTLPR as a biomarker for response to psychological therapy? Molecular psychiatry 18 (7), 744-745
 

2012

 

Lok, A., Mocking, R.J., Ruhé, H.G., et al. (2012). Longitudinal hypothalamic–pituitary–adrenal    axis trait and state effects in recurrent depression. Psychoneuroendocrinology, 37(7), pp.892-902.

 

CLH Bockting, A Lok, I Visser, J Assies, MW Koeter, AH Schene. Lower cortisol levels predict    recurrence in remitted patients with recurrent depression: a 5.5 year prospective study.       Psychiatry research 200 (2-3), 281-287.

 

A Lok, J Assies, MWJ Koeter, CLH Bockting, LF Wouters, RJT Mocking, AH Schene. Journal of affective disorders 136 (3), 604-611.

 

RJT Mocking, J Assies, MWJ Koeter, HG Ruhé, A Lok, AH Schene. Bimodal distribution of fatty acids in recurrent major depressive disorder. Biological psychiatry 71 (1), e3-e5.
 

2011  

 

JC De Boer, A Lok, E van’t Verlaat, HJ Duivenvoorden, AB Bakker. Work-related critical          incidents in hospital-based health care providers and the risk of post-traumatic stress        symptoms, anxiety, and depression: a meta-analysis. Social science & medicine 73 (2), 316-326

 

2010  

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A Lok, TLS Visscher, MWJ Koeter, J Assies, CLH Bockting, AH Schene. The 'Weight' of recurrent depression: a comparison between individuals with recurrent depression and the general population and the influence of antidepressants. Psychotherapy and psychosomatics 79 (6),     386.

 

J Assies, F Pouwer, A Lok, RJT Mocking, CLH Bockting, I Visser, AH Schene. Plasma and erythrocyte fatty acid patterns in patients with recurrent depression: a matched case-control study. PLoS one 5 (5), e10635.

 

2007

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A Lok, C de Boer. Collegiale opvang na een schokkende ervaring op het werk.  Psychopraxis,  jaargang 2007 9 (6), 232-236

 

2005

 

B Bermond, S Surachno, A Lok, IJM Ten Berge, B Plasmans, C Kox. Memory functions in          prednisone‐treated kidney transplant patients. Clinical transplantation 19 (4), 512-517

 

2004  

 

J Assies, A Lok, CL Bockting, GJ Weverling, R Lieverse, I Visser. Fatty acids and homocysteine levels in patients with recurrent depression: an explorative pilot study. Prostaglandins,         leukotrienes and essential fatty acids 70 (4), 349-356

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