1. Department of Medical Oncology, Institut National d'oncologie, Mohamed V University, 10010 Rabat, Morocco
2. Chellah Oncology, 10010 Rabat, Morocco
3. Department of Medical Oncology, Regional Center of Oncology, University Hospital, 80000 Agadir, Morocco
4. Department of Medical Oncology, Regional Center of Oncology, 32203 Al Hoceima, Morocco
5. Centre Mohammed VI Pour Le Traitement Des Cancers, Ibn Rochd University Hospital, 20000 Casablanca, Morocco