1. Laboratory of Information and Research on Bone Diseases (LIRPOS), Department of Rheumatology, Faculty of Medicine and Pharmacy, El Ayachi Hospital, University Hospital of Rabat-Sale, University Mohammed V Souissi, Morocco
2. Laboratory of Biostatistical, Clinical and Epidemiological Research (LBRCE), Faculty of Medicine and Pharmacy, University Mohammed V Souissi, Rabat, Morocco