1. Division of Pediatric Neurology, University Children's Hospital Basel, Basel, Switzerland
2. Division of Neurology, Medical University Clinic, Kantonsspital Baselland, Bruderholz, Switzerland
3. Division of Pediatric Neurology, University of Berne Hospital, Berne, Switzerland
4. Division of Pediatric Neurology, Lausanne University Hospital, Lausanne, Switzerland
5. Department of Neurology, University Hospital Basel, Basel, Switzerland
6. Department of Pediatrics, Kaiser Franz Josef Hospital, Vienna, Austria
7. Department of Pediatric Neurology, Strasbourg University Hospital, Strasbourg, France
8. Division of Pediatric Neurology, Children's Hospital, Aarau, Switzerland
9. Division of Radiological Physics, Department of Radiology, University Hospital Basel, Basel, Switzerland
10. Basel Institute for Clinical Epidemiology and Biostatistics, Department of Clinical Research, University Hospital Basel, Basel, Switzerland
11. Clinical Trial Unit, Department of Clinical Research, University Hospital Basel, Basel, Switzerland
12. Pharmacy, School of Medicine, University of Tasmania, Hobart, Tasmania, Australia