[1] WASHINGTON UNIV,SCH MED,DEPT PEDIAT,ST LOUIS,MO 63110
[2] WASHINGTON UNIV,SCH MED,DEPT SURG,DIV HUMAN MOLEC GENET,ST LOUIS,MO 63110
[3] WASHINGTON UNIV,SCH MED,DEPT GENET,ST LOUIS,MO 63110
[4] WASHINGTON UNIV,SCH MED,DEPT PSYCHIAT,ST LOUIS,MO 63110
[5] HOSP SICK CHILDREN,DEPT GENET,TORONTO,ON M5G 1X8,CANADA
[6] ERASMUS UNIV ROTTERDAM,DEPT CLIN GENET,3000 DR ROTTERDAM,NETHERLANDS