Author information:
(1)Division of Pediatric Neurology, University of Basel Children's Hospital, 
Basel, Switzerland; Department of Neurology, University of Basel Hospital, 
Basel, Switzerland.
(2)Division of Pediatric Neurology, University of Basel Children's Hospital, 
Basel, Switzerland; Division of Neurology, Medical University Clinic, 
Kantonsspital Baselland, Bruderholz, Switzerland.
(3)Division of Pediatric Neurology, University of Basel Children's Hospital, 
Basel, Switzerland; Division of Pediatric Neurology, Lausanne University 
Hospital, Lausanne, Switzerland; Division of Pediatric Neurology, University of 
Berne Hospital, Berne, Switzerland.
(4)Division of Pediatric Neurology, University of Basel Children's Hospital, 
Basel, Switzerland.
(5)Department of Pediatrics, Kaiser Franz Josef Hospital, Vienna, Austria.
(6)Laboratoire de Génétique Médicale, INSERM 1112, Faculté de Médecine, 
Strasbourg, France.
(7)Division of Pediatric Neurology, Lausanne University Hospital, Lausanne, 
Switzerland.
(8)Division of Pediatric Neurology, University of Berne Hospital, Berne, 
Switzerland.
(9)Division of Pediatric Neurology, Children's Hospital, Aarau, Switzerland.
(10)Department of Radiology, Division of Radiological Physics, University of 
Basel Hospital, Basel, Switzerland.
(11)Department of Clinical Research, Clinical Trial Unit, University of Basel 
Hospital, Basel, Switzerland.
(12)Division of Pediatric Neurology, University of Basel Children's Hospital, 
Basel, Switzerland; Department of Neurology, University of Basel Hospital, 
Basel, Switzerland; Division of Neurology, Medical University Clinic, 
Kantonsspital Baselland, Bruderholz, Switzerland. Electronic address: 
dirk.fischer@ukbb.ch.