1. Department of Physiotherapy, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
2. Children’s Surgical Department, Division of Head, Neck and Reconstructive Surgery, Oslo University Hospital, Oslo, Norway
3. Department for Interdisciplinary Health Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway
4. Faculty of Health Sciences, Department of Occupational Therapy, Prosthetics and Orthotics, Oslo Metropolitan University, Oslo, Norway
5. Department of Physical Medicine & Rehabilitation, Oslo University Hospital, Oslo, Norway
6. Faculty of Health Studies, VID Specialized University, Sandes, Norway