1. Division of Infectious Disease, The Ohio State University, Columbus, Ohio1;
2. Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts2;
3. Department of Medicine, University of Miami School of Medicine, Miami, Florida3;
4. Department of Pharmacy Practice, State University of New York at Buffalo, Buffalo, New York4;
5. Frontier Science and Technology Research Foundation, Amherst, New York5;
6. Department of Medicine, Stanford University, Palo Alto, California6;
7. Infectious Disease Unit, University of Rochester, Rochester, New York7;
8. Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland8; and
9. The Pharmacia & Upjohn Company, Kalamazoo, Michigan9