Supplemental material for Prevalence and determinants of anal human papillomavirus infection in men who have sex with men and transgender women

Supplemental material for Prevalence and determinants of anal human papillomavirus infection in men who have sex with men and transgender women by Ross D Cranston, Alex Carballo-Diéguez, Holly Gundacker, Barbra A Richardson, Rebecca Giguere, Curtis Dolezal, Aaron Siegel, Ratiya P KunjaraNaAyudhya, Kailazarid Gomez, Jeanna M Piper, Javier R Lama, Ian McGowan and the MTN-017 Protocol Team in International Journal of STD & AIDS