[1] NCI, FREDERICK CANC RES & DEV CTR, SAIC FREDERICK, LAB GEN DIVERS, FREDERICK, MD 21702 USA
[2] NCI, FREDERICK CANC RES & DEV CTR, SAIC FREDERICK, INTRAMURAL RES SUPPORT PROGRAM, FREDERICK, MD 21702 USA
[3] UNIV UTAH, DEPT HUMAN GENET, SALT LAKE CITY, UT 84112 USA
[4] JOHNS HOPKINS UNIV, SCH MED, DEPT MOL BIOL & GENET, BALTIMORE, MD 21205 USA
[5] JOHNS HOPKINS UNIV, SCH MED, DEPT NEUROSCI, BALTIMORE, MD 21205 USA
[6] JOHNS HOPKINS UNIV, SCH MED, DEPT OPHTHALMOL, BALTIMORE, MD 21205 USA
[7] JOHNS HOPKINS UNIV, SCH MED, HOWARD HUGHES MED INST, BALTIMORE, MD 21205 USA
[8] BAYLOR COLL MED, DEPT MOL & HUMAN GENET, HOUSTON, TX 77030 USA
[9] BAYLOR COLL MED, DEPT PEDIAT, HOUSTON, TX 77030 USA
[10] BAYLOR COLL MED, DEPT OPHTHALMOL, HOUSTON, TX 77030 USA
[11] BAYLOR COLL MED, DEPT MED, HOUSTON, TX 77030 USA