[1] Univ Maryland, Dept Epidemiol & Publ Hlth, Sch Med, Baltimore, MD 21201 USA
[2] Univ Maryland, Greenebaum Comprehens Canc Ctr, Sch Med, Baltimore, MD 21201 USA
[3] Ctr Bioeth & Res, Dept Res, Ibadan, Nigeria
[4] George Washington Univ, Sch Med & Hlth Sci, Dept Clin Res & Leadership, Washington, DC USA
[5] NHGRI, Ctr Res Genom & Global Hlth, NIH, Bethesda, MD 20892 USA
[6] Univ Ibadan, Fac Law, Dept Business Law, Ibadan, Nigeria
[7] Univ Ibadan, Fac Multidisciplinary Studies, Dept Bioeth & Med Humanities, Ibadan, Nigeria
[8] Univ Ibadan, Dept Sociol, Ibadan, Nigeria
[9] Syracuse Univ, Coll Law, Syracuse, NY USA
[10] Univ Ibadan, Coll Med, Dept Surg, Ibadan, Nigeria