1. Faculty of Teacher Education and Sport, Sogn og Fjordane University College, Sogndal, Norway
2. Department of Coaching and Psychology, Norwegian School of Sport Sciences, Oslo, Norway
3. Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway
4. TIPS-Centre for Clinical Research in Psychosis, Stavanger University Hospital, Stavanger, Norway
5. Network for medical sciences, University of Stavanger, Stavanger, Norway