HIV incidence and its associated factors among young adults with multiple sexual partners in Maputo, Mozambique: a vaccine preparedness study oleh Ivalda Macicame, Nilesh Bhatt, Edna Viegas, Adam Yates, Chiaka Nwoga, Raquel Matavele Chissumba, Vanessa Monteiro, Michelle Imbach, Mark Milazzo, Qun Li, Steven Schech, Tsedal Mebrahtu, Leigh Anne Eller, Edith Swann, Nelson L. Michael, Merlin L. Robb, Trevor A. Crowell, Christina S. Polyak, Ilesh Jani, on behalf of the RV363 Study Group