Using Google Earth to identify and characterize the sexual, social and residential/home neighborhoods of men who have sex with men in New York City

James E. Egan, MPH1, Victoria A. Frye, MPH, DrPH2, Krista Goodman, MS3, Andrew Rundle, DrPH4, James Quinn, MA4, Magdalena Cerdá, DrPH5, Hong Van Tieu, MD, MS3 and Beryl A. Koblin, ScM, PhD6
(1)The New York Academy of Medicine, New York, NY, (2)New York Blood Center, New York, NY, (3)Laboratory of Infectious Disease Prevention, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY, (4)Columbia University, New York, NY, (5)Columbia University, Mailman School of Public Health, New York, NY, (6)The New York Blood Center, New York, NY