1. Department of Clinical Research, University of Southern Denmark, Odense, Denmark
2. Department of Orthopaedic Surgery and Traumatology, Odense University Hospital, Odense, Denmark
3. Centre for Innovative Medical Technology, University of Southern Denmark & Odense University Hospital, Brisbane, Denmark
4. Centre for Online Health, University of Queensland, Australia
5. The Maersk Mc-Kinney Moller Institute, University of Southern Denmark, Odense, Denmark