1. Department of Family Medicine, Care and Public Health Research Institute, Maastricht University
2. Department of General Practice, Erasmus University Medical Center
3. Department of Clinical Psychology and Psychotherapy, University of Basel
4. Department of Psychology, University of Zurich
5. Department of Psychology, University of Kassel
6. Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich
7. Department of General Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School
8. Department of Women’s and Children’s Health, Uppsala University