1. Földiklinik GmbH & Co. KG, Hinterzarten, Germany
2. Department of Physiotherapy, Faculty of Health Sciences, University of Malaga, CTS-1071 Research Group, Malaga, Spain
3. Rehabilitation Clinical Management Unit, Interlevels-Intercenters Hospital Punta Europa, Algeciras, A.G.S. Campo de Gibraltar Oeste, 11201 Algeciras, Cadiz, Spain
4. Department of Nursing and Physiotherapy, University of Cadiz, 11009 Cadiz, Spain
5. Rehabilitation Clinical Management Unit, Interlevels-Intercenters Hospital Puerta del Mar, Hospital Puerto Real, Cadiz Bay-La Janda Health District, 11006 Cadiz, Spain
6. Research Unit, Department Biomedical Research and Innovation Institute of Cadiz (INiBICA), Puerta del Mar University Hospital, University of Cadiz, 11009 Cadiz, Spain
7. Department of Clinical Research, University Hospital Basel, Switzerland
8. Faculty of Medicine, University of Basel, Switzerland