[1] HARVARD UNIV,SCH MED,DEPT GENET,BOSTON,MA 02115
[2] HARVARD UNIV,SCH MED,HOWARD HUGHES MED INST,BOSTON,MA 02115
[3] HARVARD UNIV,SCH MED,MASSACHUSETTS EYE & EAR INFIRM & OTOL & LARYNGOL,DEPT OTOLARYNGOL,BOSTON,MA 02114
[4] BRIGHAM & WOMENS HOSP,DEPT MED,BOSTON,MA 02115
[5] BRIGHAM & WOMENS HOSP,HOWARD HUGHES MED INST,BOSTON,MA 02115
[6] HARVARD UNIV,SCH MED,BOSTON,MA 02115
[7] SCH MED,DEPT PEDIAT,BOSTON,MA 02115