Increases in human papillomavirus vaccine coverage over 12 months among a community-recruited cohort of gay, bisexual, and other men who have sex with men in Canada

Chambers C, Deeks SL, Sutradhar R, Cox J, de Pokomandy A, Grennan T, Hart TA, Lambert G, Moore DM, Coutlée F, Grace D, Grewal R, Jollimore J, Lachowsky N, Nisenbaum R, Ogilvie G, Sauvageau C, Tan DHS, Burchell AN