1. Clinical Psychology Program, Institute of Psychology, Leiden University, Leiden, the Netherlands (Orhan); Northwest Clinics, Alkmaar, the Netherlands (Korten); Department of Psychiatry, Vrije Universiteit Amsterdam, Amsterdam (Orhan, Korten, van Schaik, Kupka, Stek, van Oppen, Dols); GGZ inGeest Mental Health Care, Amsterdam (Mans, van Schaik, Kupka, Stek, Steenhuis, van Dijk, van Oppen); Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh (Swartz); Department of Psychiatry,...