[1] Yale University School of Medicine,Department of Internal Medicine
[2] Pittsburgh VA Healthcare System,National Institute on Alcohol Abuse and Alcoholism
[3] VA Connecticut Healthcare System,VA Greater Los Angeles Healthcare System
[4] National Institutes of Health,Division of Infectious Diseases
[5] VA Medical Center and George Washington University Medical Center,undefined
[6] David Geffen School of Medicine at UCLA,undefined
[7] Emory University School of Medicine,undefined