[1] MASSACHUSETTS GEN HOSP,CHILDRENS SERV,GENET UNIT,BOSTON,MA 02114
[2] MASSACHUSETTS GEN HOSP,JAMES HOMER WRIGHT LABS,BOSTON,MA 02114
[3] MASSACHUSETTS GEN HOSP,DEPT PATHOL,BOSTON,MA 02114
[4] BOSTON HOSP WOMEN,DEPT PATHOL,BOSTON,MA 02115
[5] HARVARD UNIV,MED SCH,DEPT PEDIAT,BOSTON,MA 02115
[6] HARVARD UNIV,MED SCH,DEPT PATHOL,BOSTON,MA 02115
[7] HARVARD UNIV,MED SCH,CTR HUMAN GENET,BOSTON,MA 02115