1. Department of Psychological Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
2. Department of Rheumatology, Sint Maartenskliniek, Nijmegen, The Netherlands
3. Bone & Joint Research Group, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
4. School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
5. Department of Psychology- Applied Social and Health Psychology, University of Zurich, Zurich, Switzerland
6. University Research Priority Program ‘Dynamics of Healthy Aging’, University of Zurich, Zurich, Switzerland
7. Department of Rheumatology, Auckland District Health Board, Auckland, New Zealand
8. Department of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand