1. University of Pennsylvania and Philadelphia VA Medical Center; Philadelphia
2. University of Leeds, NIHR Leeds Musculoskeletal Biomedical Research Unit, and Leeds Teaching Hospitals NHS Trust; Leeds UK
3. Medical University of Vienna; Vienna Austria
4. University of Pennsylvania; Philadelphia
5. University of Leeds, NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds Teaching Hospitals NHS Trust, and Chapel Allerton Hospital; Leeds UK
6. Janssen Research and Development, LLC; Spring House Pennsylvania
7. Glostrup Hospital and University of Copenhagen; Copenhagen Denmark