1. Saint‐Joseph University, Hotel‐Dieu de France Hospital Beirut Lebanon
2. Specialized Medical Center Riyadh Saudi Arabia
3. Laboratory of Biostatistics Clinical Research and Epidemiology (LBRCE) Faculty of Medicine and Pharmacy Temara Hospital Mohammed V University Rabat Morocco
4. Rheumatology Unit Department of Medicine College of Medicine University of Baghdad Baghdad Iraq
5. King Faisal Specialist Hospital and Research Center Jeddah Saudi Arabia
6. Department of Rheumatology UR17SP04 Faculty of Medicine of Tunis Kassab Institute of orthopedics Tunis El Manar University Tunis Tunisia
7. Rheumatology Unit Department of Medicine Jaber Alahmed Alsabah Hospital Kuwait State of Kuwait
8. Department of Rheumatology Faculty of Medicine Douera Hospital Blida Algeria
9. Rheumatology Department Cairo University Cairo Egypt
10. Jordan Hospital Amman Jordan