1. Department of Neurosciences University Psychiatric Center KU Leuven and Research Group Psychiatry Academic Center for ECT and Neuromodulation (AcCENT) Faculty of Medicine University of Leuven Leuven Belgium
2. Clinical Epidemiology and Biostatistics Faculty of Medicine and Health Örebro University Örebro Sweden
3. Department of Clinical Neuroscience Center for Psychiatry Research Karolinska Institute and Stockholm County Council Sweden
4. Center for Social and Affective Neuroscience Department of Clinical and Experimental Medicine Faculty of Health Sciences Linköping University and Department of Psychiatry Region Östergötland Sweden
5. University Health Care Research Centre Faculty of Health and Medical Sciences Örebro University Örebro Sweden