[1] Obafemi Awolowo Univ, Dept Child Dent Hlth, Ife, Osun State, Nigeria
[2] Univ Calif Irvine, Dept Anthropol, Irvine, CA 92717 USA
[3] Univ Sydney, Ctr Values Eth & Law Med, Sydney, NSW 2006, Australia
[4] Australian Federat AIDS Org, Newtown, NSW, Australia
[5] Univ Calif Irvine, Global Hlth Res Educ & Translat Pogram, Program Publ Health, Irvine, CA 92717 USA
[6] Initiat Equal Rights, Sydney, NSW, Australia
[7] Christ Drug Minist CADAM, Lagos, Nigeria
[8] Int Rectal Microbicides Advocates IRMA Nigeria, Abuja, Nigeria
[9] Int Ctr Advocacy Rights Hlth, Abuja, Nigeria
[10] KEMRI Wellcome Trust Programme Kenya, Nairobi, Kenya
[11] Ctr Trop Med, Nairobi, Kenya
[12] Univ Oxford, Ethox Ctr, Oxford OX1 2JD, England