Listening to diverse community voices: the tensions of responding to community expectations in developing a male circumcision program for HIV prevention in Papua New Guinea. - Tynan, Anna; Hill, Peter S; Kelly, Angela; Kupul, Martha; Aeno, Herick; Naketrumb, Richard; Siba, Peter; Kaldor, John; Vallely, Andrew; Male Circumcision Acceptability and Impact Study (MCAIS) team (BMC Public Health, 2013)