1. Massachusetts General Hospital, Boston, MA
  2. University of Colorado, Boulder, CO
  3. Children’s National Medical Center, Washington, DC
  4. University of Notre Dame, Center for Rare and Neglected Diseases, South Bend, IN
  5. Institut de Myologie, Paris, France
  6. Cardiovascular Research Center, Rhode Island Hospital, Providence, RI
  7. Brown University Medical School, Providence, RI