Liver fibrosis and accelerated immune dysfunction (immunosenescence) among HIV-infected Russians with heavy alcohol consumption - an observational cross-sectional study - So-Armah, Kaku (Boston University School of Medicine. Department of Medicine) ; Freiberg, Matthew (Vanderbilt University School of Medicine; Nashville Veterans Affairs Medical Center, Tennessee Valley Healthcare System. Department of Medicine) ; Cheng, Debbie (Boston University School of Public Health. Department of Biostatistics) ; Lim, Joseph K. (Yale University School of Medicine. Department of Internal Medicine) ; Gnatienko, Natalia (Boston Medical Center. Department of Medicine) ; Patts, Gregory (Boston University School of Public Health. Department of Biostatistics and Data Coordinating Center) ; Doyle, Margaret (University of Vermont. Department of Pathology and Laboratory Medicine) ; Fuster, Daniel (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol) ; Lioznov, Dmitry (First Pavlov State Medical University. Department of Infectious Diseases and Epidemiology, Smorodintsev Research Institute of Influenza) ; Krupitsky, Evgeny (First Pavlov State Medical University, V. M. Bekhterev National Research Medical Center for Psychiatry and Neurology, St. Petersburg, Russia) ; Samet, Jeffrey (Boston University School of Medicine. Department of Medicine, Boston Medical Center) ; Universitat Autònoma de Barcelona