Improving risk perception and uptake of pre-exposure prophylaxis (PrEP) through interactive feedback-based counselling with and without community engagement in young women in Manicaland, East Zimbabwe: study protocol for a pilot randomized trial. - Thomas, Ranjeeta; Skovdal, Morten; Galizzi, Matteo M.; Schaefer, Robin; Moorhouse, Louisa; Nyamukapa, Constance; Maswera, Rufurwokuda; Mandizvidza, Phyllis; Hallett, Timothy B.; Gregson, Simon (Trials, 2019)