1. Department of Clinical Psychology, University of Amsterdam , Amsterdam , The Netherlands
2. School of Psychology, Université Laval , Quebec City, QC , Canada
3. Centre d’étude des Troubles du Sommeil, Centre de Recherche de l’Institut Universitaire en Santé Mentale de Québec , Quebec City, QC , Canada
4. National Jewish Health , Denver, CO , USA
5. Department of Psychiatry and Behavioral Sciences, Duke University Medical Center , Durham, NC , USA
6. Geestelijke gezondheidszorg (GGZ) InGeest Specialized Mental Health Care , Amsterdam , The Netherlands
7. Department of Psychological Methods, University of Amsterdam , Amsterdam , The Netherlands