1. Department of Health Services research, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands
2. Department of Internal Medicine, Division of Rheumatology, Maastricht University Medical Center, Maastricht, The Netherlands
3. Department of Internal Medicine, VieCuri Medical Center, Venlo, The Netherlands
4. Department of Internal Medicine, NUTRIM, Maastricht University Medical Center, Maastricht, The Netherlands