1. Institute of Human Movement Science, Sport and Health, University of Graz, 8010 Graz, Austria
2. Institute of Sport Science, German University of Health and Sports, 10587 Berlin, Germany
3. Institute of Public Health, Zurich University of Applied Sciences, 8400 Winterthur, Switzerland
4. Institute of Social Psychology and Motivation, University of Konstanz, 78464 Konstanz, Germany
5. PluSport, Umbrella Organization of Swiss Disabled Sports, 8604 Volketswil, Switzerland
6. Swiss Research Institute for Public Health and Addiction, University of Zurich, 8005 Zurich, Switzerland