Awareness and Willingness to Use Pre-exposure Prophylaxis (PrEP) Among Men Who Have Sex with Men and Transgender Women in Brazil - Hoagland, Brenda; De Boni, Raquel B.; Moreira, Ronaldo I.; Valdez Madruga, José; Kallas, Esper G.; Goulart, Silvia Pereira; Cerqueira, Natalia; Torres, Thiago S.; Luz, Paula M.; Fernandes, Nilo Martinez; Liu, Albert Y.; Grinsztejn, Beatriz; et al. (AIDS and Behavior, 2017)