1Department of Rheumatology A, El Ayachi Hospital, Ibn Sina University Hospital, Salé, Morocco
2Laboratory of Biostatistical, Clinical and Epidemiological Research, Faculty of Medicine and Pharmacy, Mohammed V University, Rabat, Morocco
3Department of Rheumatology, Provincial Hospital of Temara, Morocco
4Department of Rheumatology, Military Hospital Mohammed V, Ibn Sina University Hospital, Rabat, Morocco
5Department of Rheumatology B, El Ayachi Hospital, Ibn Sina University Hospital, Salé, Morocco
6Department of Rheumatology, Arrazi University Hospital, Marrakech, Morocco
7Private Medical Office, Rabat, Morocco
8Department of Rheumatology, University Hospital of Agadir, Morocco
9. Department of Rheumatology, Military Hospital Moulay Ismail, Hassan II University Hospital, Meknès - Morocco.
10Department of Rheumatology, Hassan II University Hospital, Fès, Morocco.
11Department of Rheumatology, Mohammed VI University Hospital, Oujda, Morocco
12Department of Rheumatology, Ibn Rochd University Hospital, Casablanca, Morocco
13Department of Rheumatology, Military Hospital Avicenne, Mohammed VI University Hospital, Marrakech, Morocco