1. Social and Preventive Medicine, Department of Sports and Health Sciences, Intra-Faculty Unit “Cognitive Sciences”, Faculty of Human Science, and Faculty of Health Sciences Brandenburg, Research Area Services Research and e-Health, University of Potsdam, 14469 Potsdam, Germany
2. Social and Preventive Medicine, Department of Sports and Health Sciences, Faculty of Human Science, University of Potsdam, 14469 Potsdam, Germany
3. Department of Psychology, Norwegian University of Science and Technology, 7034 Trondheim, Norway