1. Division of Infectious Diseases, Department of Medicine
2. Division of Biostatistics, Department of Epidemiology and Population Health and
3. New York City Department of Health and Mental Hygiene, Division of Disease Control, Bureau of STD Prevention and Control, New York; and
4. Division of Infectious Diseases and Health Policy Research Institute, University of California Irvine School of Medicine
5. Department of Medicine, and
6. Division of Geriatrics, Department of Medicine, Montefiore Medical Center
7. Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York