[1] HOSP SICK CHILDREN,DEPT MED GENET,555 UNIV AVE,TORONTO M5G 1X8,ONTARIO,CANADA
[2] MONTREAL CHILDRENS HOSP,DEPT PEDIAT,DIV MED GENET,MONTREAL H3H 1P3,QUEBEC,CANADA
[3] MONTREAL CHILDRENS HOSP,CTR HUMAN GENET,MONTREAL H3H 1P3,QUEBEC,CANADA
[4] MCGILL UNIV,MONTREAL H3A 2T5,QUEBEC,CANADA