1. Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294.
2. Department of Microbiology, University of Alabama at Birmingham, AL 35294.
3. Center for AIDS Research, University of Alabama at Birmingham, Birmingham, AL 35294.
4. Department of Physiology, University of Alabama at Birmingham, Birmingham, AL 35294.
5. Department of Pathology and Surgery, University of Alabama at Birmingham, Birmingham, AL 35294.
6. Division of Human Gene Therapy and Gene Therapy Center, University of Alabama at Birmingham, Birmingham, AL 35294.
7. Veterans Administration Medical Center, Birmingham, AL 35233.