1. Division of Physiotherapy, Department of Applied Health Sciences, Hochschule für Gesundheit (University of Applied Sciences), Bochum, Germany
2. Physiotherapy Department, Rehaklinik Zihlschlacht, Zihlschlacht, Thurgau, Switzerland
3. Faculty of Sports Science, Training and Exercise Science, Ruhr-University Bochum, Bochum, Germany
4. Occupational Therapy Department, Rehaklinik Zihlschlacht, Zihlschlacht, Switzerland