Reply to comments on: "International Anal Neoplasia Society's consensus guidelines for anal cancer screening".

Stier EA, Clarke MA, Deshmukh AA, Wentzensen N, Liu Y, Poynten IM, Cavallari EN, Fink V, Barroso LF, Cuming T, Goldstone SE, Hillman RJ, Rosa-Cunha I, Rosa LLA, Palefsky JM, Plotzker R, Roberts JM, Jay N