[1] Harvard Univ, Sch Med, Howard Hughes Med Inst, Boston, MA 02115 USA
[2] Harvard Univ, Sch Med, Program Genom, Div Genet, Boston, MA 02115 USA
[3] Harvard Univ, Sch Med, Informat Program, Boston, MA 02115 USA
[4] Harvard Univ, Sch Med, Dept Pathol, Boston, MA 02115 USA
[5] Harvard Univ, Sch Med, Dept Neurol, Childrens Hosp, Boston, MA 02115 USA
[6] Natl Inst Neurosci, Dept Neuromusc Res, Tokyo 1878502, Japan
[7] Univ Milan, Ist Ric & Cura Carattere Sci Fdn Osped Maggiore, Unita Operat Neurol, Ctr Dino Ferrari, I-20122 Milan, Italy
[8] Brigham & Womens Hosp, Dept Neurol, Boston, MA 02115 USA
[9] Childrens Hosp, Inst Neuromusc Res, Westmead, NSW 2145, Australia
[10] Hadassah Hebrew Univ Med Ctr, Goldyne Savad Inst Gene Therapy, IL-91240 Jerusalem, Israel
[11] Univ Utah, Dept Human Genet, Salt Lake City, UT 84132 USA
[12] US Genom, Woburn, MA 01801 USA