[1] Univ Alabama Birmingham, Sch Publ Hlth, Dept Hlth Policy & Org, 1665 Univ Blvd,Ste RPHB 320F, Birmingham, AL 35233 USA
[2] Kenya Govt Med Res Ctr, Ctr Microbiol Res, Res Care & Treatment Programme, Nairobi, Kenya
[3] Univ Alabama Birmingham, Sparkman Ctr Global Hlth, Sch Publ Hlth, Birmingham, AL USA
[4] Univ Michigan, Ctr Sexual & Hlth Dispar, Sch Nursing, Ann Arbor, MI USA
[5] Univ Michigan, Sch Nursing, Dept Hlth Behav & Biol Sci, Ann Arbor, MI USA
[6] Univ N Carolina, Gillings Sch Global Publ Hlth, Dept Hlth Behav, Chapel Hill, NC USA
[7] Univ Penn, Perelman Sch Med, Dept Med Eth & Hlth Policy, Philadelphia, PA USA
[8] Univ Alabama Birmingham, Heersink Sch Med, Dept Prevent Med, Birmingham, AL USA
[9] Univ Alabama Birmingham, Sch Publ Hlth, Dept Biostat, Birmingham, AL USA
[10] Univ Michigan, Sch Publ Hlth, Dept Biostat, Ann Arbor, MI USA