1. The Research Clinic for Functional Disorders and Psychosomatics, Aarhus University Hospital, Aarhus University, Aarhus C, Denmark
2. Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, Frederiksberg, Denmark
3. Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen K, Denmark
4. Faculty of Medicine, Aalborg University, Aalborg East, Denmark
5. Mental, Health Services, Mental Health Centre North Zealand, Hillerød, Denmark
6. Mental, Health Services, Mental Health Centre Copenhagen, Copenhagen Ø, Denmark