1. Pharmacy Department, Henri Mondor University Hospital, Créteil, France;
2. Dermatology Department, Neurofibromatosis Reference Center, Henri Mondor University Hospital, Créteil, France;
3. Neurosurgery Department, Henri Mondor University Hospital, Créteil, France;
4. Université Paris Sud, UFR de Pharmacie, Châtenay-Malabry, France