[1] UNIV MIAMI, SCH MED, BASCOM PALMER EYE INST, MIAMI, FL 33101 USA
[2] OREGON HLTH SCI UNIV, CASEY EYE INST, PORTLAND, OR 97201 USA
[3] OREGON HLTH SCI UNIV, DEPT MED, PORTLAND, OR 97201 USA
[4] OREGON HLTH SCI UNIV, DEPT CELL BIOL, PORTLAND, OR 97201 USA