[1] Montpellier Univ Hosp, Dept Neurol, F-34295 Montpellier, France
[2] Montpellier Univ Hosp, Dept Anatomopathol, F-34295 Montpellier, France
[3] Montpellier Univ Hosp, Dept Nephrol, F-34295 Montpellier, France
[4] Montpellier Univ Hosp, Dept Neuroradiol, F-34295 Montpellier, France
[5] Univ Nimes Hosp, Dept Neurol, F-30029 Nimes, France