PrEP initiation and continuation among adolescent key population in Brazil: a cascade analysis - Dourado, I.; Magno, L.; Soares, F.; Caires, P.; Eustorgio, M.; Tupinambas, U.; Greco, D.; Westin, M.; Massa, P. [UNESP]; Grangeiro, A. [UNESP] (Wiley-Blackwell, 2021)