1. Division of Pediatric Neurology and Developmental Medicine; University Children's Hospital; Basel; Switzerland
2. Division of Pediatric Neurology and Developmental Medicine; Children's Hospital; Lucerne; Switzerland
3. Division of Pediatric Neurology, Developmental Medicine and Rehabilitation; Ostschweizer Children's Hospital; St. Gallen; Switzerland
4. Division of Pediatric Neurology and Developmental Medicine; Children's Hospital; Aarau; Switzerland
5. Pediatric Neurology; Department of Pediatrics; Ospedale Regionale di Bellinzona e valli; Bellinzona; Switzerland
6. Divison of Pediatric Neurology, Developmental Medicine and Rehabilitation; University Children's Hospital; Bern; Switzerland