1Dept of Molecular and Human Genetics, Baylor College of Medicine, Houston, USA
2Division of Neurology Research, Children’s Hospital of Philadelphia, and Departments of Pediatrics and Neurology, University of Pennsylvania, Philadelphia, USA
3Department of Pediatrics, Baylor College of Medicine, Houston, USA
4Neurogenetics Laboratory, Flanders Interuniversity Institute of Biotechnology, Born-Bunge Foundation, Department of Biochemistry, University of Antwerp, Antwerpen, Belgium