1. Department of Nursing Science, Faculty of Health Sciences, University of Eastern Finland , Yliopistonrinne 3, Canthia Building, PO Box 1627, FI-70211 Kuopio , Finland
2. Wellbeing Services County of North Savo , PO Box 1711, FI-70211 Kuopio , Finland
3. Faculty of Social Sciences, Unit of Health Sciences, Tampere University , Arvo Ylpön katu 34, FI-33014 Tampere , Finland
4. Department of Adolescent Psychiatry, Tampere University Hospital , Elämänaukio 2, FI-33520 Tampere , Finland
5. Department of Social Research, Faculty of Social Sciences, University of Turku , FI-20014, Turku , Finland
6. Research Centre for Health Promotion, Faculty of Sport and Health Sciences, University of Jyväskylä , Keskussairaalankatu 4, Building Liikunta (L), PO Box 35, FI-40014 Jyväskylä , Finland
7. Department of Health Science, Fulda University of Applied Sciences , Fulda , Germany
8. Centre for Applied Health Science, Leuphana University , Lueneburg , Germany
9. Center for Health and Medicine in Society and Center for Health Promotion and Prevention Childhood and Adolescence, Department of Health and Sport Sciences, TUM School of Medicine and Health, Technical University of Munich , Munich , Germany
10. Institute of Public Health and Clinical Nutrition, Faculty of Health Sciences, University of Eastern Finland , Yliopistonrinne 3, Canthia building, PO Box 1627, FI-70211 Kuopio , Finland