Affiliation: | (1) Colorado Health Outcomes Program, University of Colorado at Denver and Health Sciences Center, P.O. Box 6508, MS F-443, Aurora, CO 80045-0508, USA;(2) Community and Behavioral Health, Colorado School of Public Health, University of Colorado Denver, Aurora, CO, USA;(3) American Indian and Alaska Natives Program, University of Colorado Denver, Aurora, CO, USA;(4) Denver Public Health Department, Denver Health and Hospital Authority, Denver, CO, USA;(5) Division of STD Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA |