1. Department of Physiology; VU University Medical Center; Amsterdam the Netherlands
2. Department of Cellular and Molecular Medicine; University of Arizona; Tucson AZ
3. Institute for Neuroscience and Muscle Research; Children's Hospital at Westmead; Westmead New South Wales Australia
4. Discipline of Paediatrics and Child Health; University of Sydney; Sydney New South Wales Australia
5. Division of Genetics and Genomics, Manton Center for Orphan Disease Research, Boston Children's Hospital; Harvard Medical School; Boston MA
6. Department of Physics and Astronomy; VU University; Amsterdam the Netherlands
7. Pediatric Neurology Unit; Hadassah University Hospital; Jerusalem Israel
8. Department of Medical and Clinical Genetics, Haartman Institute; University of Helsinki; Helsinki Finland
9. Folkhaelsan Institute of Genetics; Biomedicum Helsinki; Helsinki Finland
10. Division of Genetics, Department of Biosciences; University of Helsinki; Helsinki Finland
11. Center for Research in Myology; Pitié-Salpêtrière Hospital Group; Paris France
12. Department of Neurology; Radboud University Medical Center; Nijmegen the Netherlands
13. Neuromuscular and Neurogenetic Disorders of Childhood Section; National Institutes of Health; Bethesda MD