1 Pediatric Neurology Unit, Geneva Children's Hospital, 6 rue Willy-Donzé, 1211 Genève 4, Switzerland. Electronic address: [email protected].
2 CHU Saint-Étienne, Centre national de référence de l'AVC de l'enfant, Inserm, CIC1408, F-42055 Saint-Étienne, France; Inserm, Univ Lyon, U1059 SAINBIOSE, Univ Jean Monnet, F-42023 Saint-Étienne, France.