1. Department of Elderly and Health, Section of Training and Activity, Vodskov, Denmark
2. SMI®, Department of Health Science and Technology, Aalborg University (AAU), Aalborg, Denmark
3. Department of Physiotherapy, University College of Northern Denmark (UCN), Aalborg East, Denmark
4. Department of Otolaryngology, Head and Neck Surgery and Audiology, Aalborg University Hospital, Aalborg, Denmark
5. Research and Development Department, University College of Northern Denmark (UCN), Aalborg, Denmark