[1] TORONTO GEN HOSP,DIV MATERNAL FETAL MED,ROOM 223-6,EATON WING N,TORONTO M5G 1L7,ONTARIO,CANADA
[2] TORONTO GEN HOSP,DIV CARDIOL,TORONTO M5G 1L7,ONTARIO,CANADA
[3] HOSP SICK CHILDREN,DIV CARDIOL,TORONTO M5G 1X8,ONTARIO,CANADA
[4] HOSP SICK CHILDREN,DIV GENET,TORONTO M5G 1X8,ONTARIO,CANADA
[5] UNIV TORONTO,SCH MED,TORONTO M5S 1A1,ONTARIO,CANADA