1. Department of Clinical and Molecular Medicine, NTNU – Norwegian University of Science and Technology, Trondheim, Norway
2. Clinic of Surgery, Orkdal Hospital, St. Olavs Hospital, Orkdal, Norway
3. Department of Neuromedicine and Movement Science, NTNU – Norwegian University of Science and Technology, Trondheim, Norway
4. Department of Rheumatology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
5. Department of Immunology and Transfusion Medicine, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway