Human papillomavirus (HPV) vaccination across a cascade of knowledge, willingness, and uptake among gay, bisexual, and other men who have sex with men in Canada’s three largest cities

Grewal R, Deeks SL, Hart TA, Cox J, De Pokomandy A, Grennan T, Lambert G, Moore D, Coutlée F, Gaspar M, George C, Grace D, Jollimore J, Lachowsky NJ, Nisenbaum R, Ogilvie G, Sauvageau C, Tan DHS, Yeung A, Burchell AN