Acceptability of self-sampling for etiological diagnosis of mucosal sexually transmitted infections (STIs) among transgender women in a longitudinal cohort study in São Paulo, Brazil Daniel Jason McCartney, Thiago Félix Pinheiro, José Luis Gomez, Paula Galdino Cardin de Carvalho, Maria Amélia Veras, Philippe Mayaud

Efficacy of vitamin D supplementation among persons living with HIV/AIDS in São Paulo city, Brazil Rosa Almeida-Afonso, Danilo Finamor, Luiz Augusto M. Fonseca, Ana P. Rocha Veiga, Mariana A. Monteiro, Marcello Magri, Alberto JS Duarte, Jorge Casseb

Association of X4 tropism with disease progression in antiretroviral-treated children and adolescents living with HIV/AIDS in São Paulo, Brazil Flávia Jacqueline Almeida, Mayra Simioni Zaparoli, Denise Helena Moreira, Jaqueline de Souza Cavalcanti, Rosangela Rodrigues, Eitan Naaman Berezin, João Leandro de Paula Ferreira, Marco Aurélio Palazzi Sáfadi, Luis Fernando de Macedo Brígido