1. Rheumatology unit, Al-Jahra Hospital, AlJahra, Kuwait
2. Rheumatology unit, Mubarak Al-Kabeer Hospital, Jabriya, Kuwait
3. Rheumatology unit, Jaber Alahmad Hospital, South Surra, Kuwait
4. Rheumatology unit, Adan Hospital, Hadiya, Kuwait
5. Rheumatology unit, Al-Amiri Hospital, KuwaitCity, Kuwait
6. Rheumatology unit, Military Hospital, Sabhan, Kuwait
7. Rheumatology unit, Al-Farwaniya Hospital, AlFarwaniya, Kuwait
8. Rheumatology unit, Al-Farwaniya Hospital, AlFarwaniy, Kuwait
9. Rheumatology unit, Al-sabah Hospital, Alsabah, Kuwait