1. University of Queensland School of Medicine, Brisbane, Queensland, Australia, and Royal Brisbane and Women's Hospital; Herston Queensland Australia
2. University of Maryland School of Medicine; Baltimore
3. Université Paris Diderot, Sorbonne Paris Cité, INSERM, UMR-S 1123, INSERM, CIC 1425-EC, UMR-S 1123, and AP-HP Hôpital Bichat; Paris France
4. Hospital Universitario La Paz and Universidad Autónoma Madrid; Madrid Spain
5. Saint Joseph University Hôtel-Dieu de France; Beirut Lebanon
6. University of Toronto, Toronto General Research Institute, Institute for Work and Health, and Mount Sinai Hospital; Toronto Ontario Canada
7. Mohammed Vth Souissi University, CNRST, and Laboratory of Information and Research on Bone Diseases (LIRPOS-URAC 30), Rabat, Morocco, and El Ayachi Hospital and University Hospital; Salé Morocco
8. Pfizer; Paris France
9. Denothe Centre; University of Florence; Florence Italy
10. Arthritis Center Twente; Medisch Spectrum Twente, and University Twente; Enschede The Netherlands
11. Leiden University Medical Center; Leiden The Netherlands
12. Paris Descartes University; Cochin Hospital; AP-HP; INSERM (U1153); PRES Sorbonne Paris-Cité; Paris France