Development and Evaluation of a Mobile App Designed to Increase HIV Testing and Pre-exposure Prophylaxis Use Among Young Men Who Have Sex With Men in the United States: Open Pilot Trial

Katie B Biello   ^{1, 2, 3, 4} , MPH, PhD ;   Jonathan Hill-Rorie   ⁴ , MPH ;   Pablo K Valente   ¹ , MPH, MD ;   Donna Futterman   ⁵ , MD ;   Patrick S Sullivan   ⁶ , DVM, PhD ;   Lisa Hightow-Weidman   ⁷ , MPH, MD ;   Kathryn Muessig   ⁸ , PhD ;   Julian Dormitzer   ⁴ , MSN, NP ;   Matthew J Mimiaga   ^{1, 2, 3, 4, 9} , MA, MPH, SCD ;   Kenneth H Mayer   ^{4, 10, 11} , MD

¹ Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, United States

² Department of Epidemiology, Brown University School of Public Health, Providence, RI, United States

³ Center for Health Promotion and Health Equity, Brown University School of Public Health, Providence, RI, United States

⁴ The Fenway Institute, Fenway Health, Boston, MA, United States

⁵ Adolescent AIDS Program, Children's Hospital at Montefiore Medical Center, The Bronx, NY, United States

⁶ Department of Epidemiology, Rollins School of Global Public Health, Emory University, Atlanta, GA, United States

⁷ Division of Infectious Diseases, UNC School of Medicine, University of North Carolina, Chapel Hill, NC, United States

⁸ Department of Health Behavior, Gillings School of Public Health, University of North Carolina, Chapel Hill, NC, United States

⁹ Department of Epidemiology, Fielding School of Public Health, University of California, Los Angelas, CA, United States

¹⁰ Harvard Medical School, Boston, MA, United States

¹¹ Beth Israel Deaconess Medical Center, Boston, MA, United States