[1] QUEENS UNIV,DEPT BIOL,KINGSTON K7L 3N6,ONTARIO,CANADA
[2] UNIV MANITOBA,DEPT PAEDIAT,DIV HUMAN GENET,WINNIPEG R3E 0W3,MANITOBA,CANADA
[3] QUEENS UNIV,DEPT MICROBIOL & IMMUNOL,KINGSTON K7L 3N6,ONTARIO,CANADA
[4] QUEENS UNIV,DEPT PAEDIAT,DIV MED GENET,KINGSTON K7L 3N6,ONTARIO,CANADA
[5] KINGSTON GEN HOSP,CYTOGENET LAB,KINGSTON K7L 2V7,ONTARIO,CANADA