[1] NYU MED CTR,DEPT OPHTHALMOL,NEW YORK,NY 10016
[2] UNIV IOWA HOSP & CLIN,DEPT OPHTHALMOL,IOWA CITY,IA 52242
[3] UNIV IOWA HOSP & CLIN,DEPT PEDIAT,IOWA CITY,IA 52242
[4] OREGON HLTH SCI UNIV,DEPT OPHTHALMOL,PORTLAND,OR 97201
[5] OREGON HLTH SCI UNIV,DEPT MOLEC & MED GENET,PORTLAND,OR 97201