[1] MANHATTAN EYE EAR & THROAT HOSP,DEPT PATHOL,NEW YORK,NY 10021
[2] CORNELL UNIV,MED CTR,NEW YORK HOSP,NEW YORK,NY 10021
[3] EYE BANK SIGHT RESTORAT INC,NEW YORK,NY
[4] MCGILL UNIV,ROYAL VICTORIA HOSP,DEPT OPHTHALMOL,MONTREAL H3A 1A1,QUEBEC,CANADA
[5] UNIV IOWA,HOSP & CLIN,DEPT OPHTHALMOL,IOWA CITY,IA 52240
[6] MCGILL UNIV,ROYAL VICTORIA HOSP,DEPT PATHOL,MONTREAL H3A 1A1,QUEBEC,CANADA
[7] WILLIAM BEAUMONT HOSP,DETROIT,MI
[8] SINAI HOSP,DETROIT,MI 48235
[9] PROVIDENCE HOSP,COLUMBIA,SC
[10] BAPTIST MED CTR,COLUMBIA,SC