1Department of Physical Health and Ageing, Norwegian Institute of Public Health, Oslo, Norway
2Department of Community Medicine and Global Health, University of Oslo, Oslo, Norway
3Department of Public Health & Policy, University of Liverpool, Liverpool, UK
4Bergen Group of Epidemiology and Biomarkers in Rheumatic Disease, Department of Rheumatology, Haukeland University Hospital, Bergen, Norway
5Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
6Department of Health and Care Sciences, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway
7The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway
8Department of Clinical Medicine, University of Bergen, Bergen, Norway
9Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
10Department of Rheumatology, St. Olavs University Hospital, Trondheim, Norway
11Department of Public Health and Nursing, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
12Department of Obstetrics and Gynecology, St. Olavs Hospital, Trondheim, Norway