Citation: Westmoreland DA, Ray MA, Sultana S, Bleasdale J, Robertson MK, Mirzayi C, D'Angelo AB, Stief M, Hoover D, Hirshfield S, Patel VV, Pantalone DW, Carrico A, Golub SA, Nash D, Grov C, Together Team OBOT. Implementing and retaining a large-scale technology-mediated cohort to study HIV incidence and PrEP uptake among vulnerable cisgender men as well as transgender individuals in the U.S., the Together 5,000 cohort. Am J Epidemiol. 2025 Nov 12:kwaf250. doi: 10.1093/aje/kwaf250. Epub ahead of print. PMID: 41222262.