1. Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294.
2. Departments of Pediatrics and Powell Gene Therapy Center, University of Florida, Gainesville, FL 32610.
3. Departments of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL 32610.
4. Department of Medicine, University of Florida, Gainesville, FL 32610.
5. Gene Therapy Center, University of North Carolina at Chapel, Chapel Hill, NC 27599.
6. Department of Pathology, University of Florida, Gainesville, FL 32610.