1. Faculty of Social and Behavioural Sciences, Institute of Psychology, Leiden University, Wassenaarseweg 52, 2333 AK Leiden, The Netherlands
2. Sainte-Justine Hospital Research Center, 3175 Chemin de la Côte Sainte-Catherine, Montreal, QC, Canada H3T 1C5
3. Department of Psychiatry, University of Montreal, 2900 Boulevard Édouard-Montpetit, Montreal, QC, Canada H3T 1J4
4. Department of Psychiatry, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
5. Department of Psychiatry, VU University Medical Center, A.J. Ernststraat 1187, 1081 HL Amsterdam, The Netherlands
6. Department of Psychiatry, University Medical Center Groningen, Hanzeplein 1, 9700 RB Groningen, The Netherlands