Affiliation: | aUniversity of Poitiers, CHU Poitiers, Department of Neurology, 2 rue de La Milétrie, 86021 Poitiers cedex 05, France;bVU University Medical Center, Department of Child Neurology, De Boelelaan 1117, 1081HV Amsterdam, The Netherlands;cLaboratory of Neurochemistry, UMR INSERM 711/UPMC, Salpetrière Hospital, 75651 Paris cedex 13, France |