[1] Northwestern Univ, Feinberg Sch Med, Ctr Genet Med, 645 N Michigan Ave, Chicago, IL 60611 USA
[2] Icahn Sch Med Mt Sinai, New York, NY 10029 USA
[3] UCL, London, England
[4] Univ Louisville, Sch Med, Louisville, KY 40292 USA
[5] Cincinnati Childrens Hosp Med Ctr, Cincinnati, OH 45229 USA
[6] Penn State Coll Med, Hershey, PA USA
[7] Vanderbilt Univ, Med Ctr, Nashville, TN USA
[8] Vanderbilt Univ, 221 Kirkland Hall, Nashville, TN 37235 USA
[9] Seattle Childrens Res Inst, Seattle, WA USA
[10] Marshfield Clin Res Fdn, Marshfield, WI USA
[11] Childrens Hosp Philadelphia, Philadelphia, PA 19104 USA
[12] Univ Washington, Seattle, WA 98195 USA
[13] NHGRI, NIH, Bethesda, MD 20892 USA
[14] Grp Hlth Res Inst, Seattle, WA USA
[15] Essentia Inst Rural Hlth, Duluth, MN USA
[16] Geisinger Hlth Syst, Danville, PA USA
[17] Harvard Med Sch, Boston Childrens Hosp, Boston, MA USA