1. Department of Occupational Therapy and Physiotherapy, Copenhagen University Hospital, Rigshospitalet, Denmark
2. Department of Internal Medicine, Geriatric Section, Medical Department M, Amager/Hvidovre Hospital, Glostrup, Denmark
3. Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
4. Department of Physiotherapy and Occupational Therapy, Copenhagen University Hospital, Herlev and Gentofte, Hellerup, Denmark
5. Department of Otorhinolaryngology, Head and Neck Surgery and Audiology, Copenhagen University Hospital, Rigshospitalet, Denmark