1. Department of Ophthalmology, University of Florida, Gainesville, FL 32610.
2. Powell Gene Therapy Center, University of Florida, Gainesville, FL 32610.
3. Scheie Eye Institute, Department of Ophthalmology, University of Pennsylvania, Philadelphia, PA 19104.
4. Gene Therapy Program, Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA 19104.
5. University of Massachusetts Medical School, Worcester, MA 01655.