1. Hemodialysis and Transplantation, Austin Biomedical, Austin, Texas, U.S.A.
2. Austin Diagnostic Clinic, Research and Development, Austin Biomedical, Austin, Texas, U.S.A.
3. Moncrief-Popovich Research Institute, Austin Diagnostic Clinic, Austin Biomedical, Austin, Texas, U.S.A.
4. Vision-Link, Austin Biomedical, Austin, Texas, U.S.A.
5. Laboratory Services, Austin Biomedical, Austin, Texas, U.S.A.
6. Austin Biomedical, General Surgery, Austin Biomedical, Austin, Texas, U.S.A.
7. Austin Diagnostic Clinic, and Veterinary Services, Austin Biomedical, Austin, Texas, U.S.A.