Benjamin H Han1,2,3, Roxanne Ko4, Joseph J Palamar5,6. 1. Department of Medicine, Division of Geriatric Medicine and Palliative Care, New York University School of Medicine, New York, NY, USA. Benjamin.Han@nyumc.org. 2. Department of Population Health, New York University Langone Medical Center, New York, NY, USA. Benjamin.Han@nyumc.org. 3. Center for Drug Use and HIV/HCV Research, NYU College of Global Public Health, New York, NY, USA. Benjamin.Han@nyumc.org. 4. John A. Burns School of Medicine, University of Hawaii, Honolulu, HI, USA. 5. Department of Population Health, New York University Langone Medical Center, New York, NY, USA. 6. Center for Drug Use and HIV/HCV Research, NYU College of Global Public Health, New York, NY, USA.