1. Department of Sport Science, University of Innsbruck, 6020 Innsbruck, Austria
2. Department of Research and Development in Teacher Education, University College of Teacher Education Tyrol, 6010 Innsbruck, Austria
3. Research Center Medical Humanities, University of Innsbruck, 6020 Innsbruck, Austria
4. Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany