Cortical thickness in obsessive-compulsive disorder: multisite mega-analysis of 780 brain scans from six centres

Jean-Paul Fouche¹, Stefan du Plessis², Coenie Hattingh²+16

• ¹Jean-Paul Fouche, MSc, Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa; Stefan du Plessis, MD, Department of Psychiatry, University of Stellenbosch, Cape Town, South Africa; Coenie Hattingh, MSc, Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa; Annerine Roos, PhD, MRC Unit on Anxiety & Stress Disorders, Department of Psychiatry, University of Stellenbosch, Cape Town, South Africa; Christine Lochner, PhD, MRC Unit on Anxiety & Stress Disorders, Department of Psychiatry, University of Stellenbosch, Cape Town, South Africa; Carles Soriano-Mas, PhD, Department of Psychiatry, Bellvitge University Hospital-IDIBELL, Barcelona, Spain, Carlos III Health Institute, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain, and Department of Psychobiology and Methodology in Health Sciences, Universitat Autònoma de Barcelona, Spain; Joao R. Sato, PhD, Center of Mathematics, Computation and Cognition, Universidade Federal do ABC, Santo Andre, Brazil and Laboratório Interdisciplinar de Neurociências Clínicas, Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil; Takashi Nakamae, MD, PhD, Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan; Seiji Nishida, MD, PhD, Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan; Jun Soo Kwon, MD, PhD, Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea and Institute of Human Behavioral Medicine, SNU-MRC, Seoul, Republic of Korea and Department of Brain and Cognitive Sciences, College of Natural Sciences, Seoul National University, Seoul, Republic of Korea; Wi Hoon Jung, PhD, Department of Psychiatry, Seoul National University College of Medicine, Seoul, Republic of Korea; David Mataix-Cols, PhD, Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden; Marcelo Q. Hoexter, MD, PhD, Laboratório Interdisciplinar de Neurociências Clínicas, Department of Psychiatry, Universidade Federal de São Paulo, São Paulo, Brazil and Department & Institute of Psychiatry, University of Sao Paulo Medical School, Sao Paulo, Brazil; Pino Alonso, MD, PhD, Department of Psychiatry, Bellvitge University Hospital-IDIBELL, Barcelona, Spain and Carlos III Health Institute, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain, and Department of Clinical Sciences, Faculty of Medicine, University of Barcelona, Spain; Stella J. de Wit, MD, Department of Psychiatry, VU University Medical Centre, Amsterdam, The Netherlands; Dick J. Veltman, MD, PhD, Department of Psychiatry, VU University Medical Centre, Amsterdam, The Netherlands; Dan J. Stein, MD, PhD, Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa and MRC Unit on Anxiety & Stress Disorders, Department of Psychiatry, University of Stellenbosch, Cape Town, South Africa; Odile A. van den Heuvel, MD, PhD, Department of Psychiatry, VU University Medical Centre, Amsterdam, The Netherlands, Department of Anatomy & Neurosciences, VU University Medical Center, Amsterdam, The Netherlands FCHJEA002@myuct.ac.za.+1