1. Institute of Neurogenetics; University of Lübeck; Lübeck Germany
2. Institut für Humangenetik; Universität zu Lübeck; Lübeck Germany
3. Department of Human Genetics; Nijmegen Center for Molecular Life Sciences; Institute for Genetic and Metabolic Disease; Radboud University Medical Center; Nijmegen The Netherlands
4. Children's Hospital Aschaffenburg; Aschaffenburg Germany