1. Research Department of Child and Adolescent Psychiatry, Psychiatric Hospital of the University of Basel, Basel, Switzerland
2. Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland
3. Department of Child and Adolescent Psychiatry and Psychotherapy, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
4. Psychiatry St. Gallen North, Wil, Switzerland
5. Child and Adolescent Psychiatric Services St. Gallen, St. Gallen, Switzerland
6. Department of Psychiatry, University Hospitals of Geneva, Thônex, Switzerland
7. Department of Psychiatry Psychotherapy, Psychosomatic Medicine, Medical Faculty of Martin Luther University, Halle, Germany
8. Clienia Littenheid AG, Littenheid, Switzerland
9. Child and Adolescent Psychiatry Klinik Sonnenhof, Ganterschwil, Switzerland
10. Child and Adolescent Psychiatric Services Baselland, Liestal, Switzerland
11. Child and Adolescent Psychiatric Services Thurgau, Münsterlingen, Switzerland