1. Stanford University School of Medicine, Stanford, California,
2. The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
3. Cure CMD, Olathe, Kansas
4. Karolinska Institute, Stockholm, Sweden
5. Stanford University School of Medicine, Stanford, California
6. Boston College, Boston, Massachusetts
7. University of Washington School of Medicine, St Louis, Missouri
8. University of Essen, Essen, Germany
9. University of Florida, Gainesville, Florida
10. Myology Institute, Paris, France
11. Hammersmith Hospital, London, United Kingdom
12. University of Texas Southwestern Medical Center, Dallas, Texas
13. INSERM U827, Laboratoire de Génétique Moleculaire, Montpellier, France
14. Bambino Gesu' Children's Research Hospital, Rome, Italy
15. Institute of Human Genetics, Newcastle University, Newcastle upon Tyne, United Kingdom
16. John Hopkins University School of Medicine, Baltimore, Maryland
17. Hôpital Universitaire des Enfants Reine Fabiola, Brussels, Belgium
18. Hôpital Saint Vincent de Paul, Paris, France
19. Hôpital Raymond Poincaré, Garches, France
20. UMR 787 Groupe Myologie, Groupe Hospitalier Pitié-Salpêtrière, Paris, France
21. Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
22. University of Leuven, Leuven, Belgium
23. University of Padua, Padua, Italy
24. University of Munich, Munich, Germany
25. Dubowitz Neuromuscular Centre, London, United Kingdom
26. Rehabiliterings Center for Muskelsvind, Aarhus, Denmark
27. National Resource Centre for Oral Health in Rare Medical Conditions, Oslo, Norway
28. Royal Brompton Hospital, London, United Kingdom
29. Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
30. The Hospital for Sick Children, University of Toronto, Toronto, Canada