1. Institute of General Practice and Public Health, Claudiana College of Health Professions, 39100 Bolzano (BZ), Italy
2. Department of Public Health, Medical Decision Making and Health Technology Assessment, University of Health Sciences, Medical Informatics and Technology, 6060 Hall, Austria
3. Center for Physiology, Pathophysiology and Biophysics, Institute of Physiology and Pathophysiology, 5020 Salzburg, Austria
4. Gastein Research Institute, Paracelsus Medical University, 5020 Salzburg, Austria
5. Institute of Nursing Science and Practice, Paracelsus Medical University, 5020 Salzburg, Austria
6. Department of General Medicine, South Tyrolean Health Care Service, 39100 Bolzano (BZ), Italy
7. Center for Treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Diakonhjemmet Hospital, N-0319 Oslo, Norway
8. Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Paracelsus Medical University, 5020 Salzburg, Austria
9. School of Medical Sciences, Kathmandu University, Dhulikhel 45200, Nepal