1. Swiss Federal Institute of Sport, Magglingen, Switzerland
2. Institute of Sport Science, University of Bern, Switzerland
3. University of British Columbia, Vancouver, BC, Canada
4. Department of Clinical Sciences Lund, Psychiatry, Faculty of Medicine, Lund University, Sweden
5. Clinic for Depression and Anxiety, Psychiatric Centre Münsingen, Switzerland
6. Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric University Hospital Zurich, University of Zurich, Switzerland