1. Rheumatology Unit, Department of Internal Medicine, College of Medicine University of Baghdad Baghdad Iraq
2. Rheumatology Unit, Department of Internal Medicine Baghdad Teaching Hospital Baghdad Iraq
3. Rheumatology Unit, Department of Internal Medicine College of Medicine, Al‐Nahrain University Baghdad Iraq
4. Department of Surgery, College of Medicine University of Baghdad Baghdad Iraq
5. Department of Internal Medicine, College of Medicine University of Baghdad Baghdad Iraq