1. Department of Epidemiology & Population Health, Albert Einstein College of Medicine, New York, USA
2. Bureau of Human Immunodeficiency Virus Prevention and Control, New York City Department of Health and Mental Hygiene, New York, USA
3. Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
4. Cardiology Section, San Francisco Veterans Affairs Health Care System, University of California San Francisco, San Francisco, California, USA; and Departments of
5. Medicine and, University of California San Francisco, San Francisco, California, USA
6. Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA
7. Division of Disease Control, New York City Department of Health and Mental Hygiene, New York
8. Department of Medicine, Albert Einstein College of Medicine, New York, USA