1. Research Team of Pharmacoepidemiology & Pharmacoeconomics, Medical and Pharmacy School, Mohammed V University, Madinat Al Irfane, 10000 Rabat, Morocco
2. Department of Nephrology & Dialysis, Military Hospital Agadir, 20450 Agadir, Morocco
3. Meknes Dialysis Center (on Behalf of Moroccan Society of Nephrology), 33150 Meknes, Morocco
4. IdrissAlakbar Dialysis Center (on Behalf of the Scientific Committee, Moroccan Society of Nephrology), 12470 Rabat, Morocco