Improving risk perception and uptake of voluntary medical male circumcision with peer-education sessions and incentives, in Manicaland, East Zimbabwe: study protocol for a pilot randomised trial. - Thomas, Ranjeeta; Skovdal, Morten; Galizzi, Matteo M.; Schaefer, Robin; Moorhouse, Louisa; Nyamukapa, Constance; Maswera, Rufurwokuda; Mandizvidza, Phyllis; Hallett, Timothy B.; Gregson, Simon (Trials, 2020)