[1] Yale School of Public Health,Center for Interdisciplinary Research on AIDS
[2] Yale School of Public Health,Yale Center for Analytical Sciences
[3] Yale School of Medicine,AIDS Care Program, Section of Infectious Disease, Department of Internal Medicine
[4] Yale School of Public Health,Department of Chronic Disease Epidemiology
[5] Yale School of Medicine,Section of General Internal Medicine, Department of Internal Medicine
[6] Northwestern University,Center for Applied Health Research on Aging, Division of General Internal Medicine & Geriatrics, Feinberg School of Medicine
[7] SUNY Downstate Health Sciences University,Department of Epidemiology of Microbial Diseases
[8] Yale School of Public Health,undefined