1. Rehabilitation, Research, and Development Center on Aging and Vision Loss, Veterans Affairs Medical Center, 1670 Clairmont Road, Decatur, GA 30033;
2. Rehabilitation, Research, and Development Center on Aging and Vision Loss
3. GeoStats, 530 Means Street, NW, Suite 310, Atlanta, GA 30318
4. Vision Research Program, Rehabilitation, Research, and Development Center on Aging and Vision Loss