[1] Tulane Univ, Sch Publ Hlth & Trop Med, 1440 Canal St,Suite 2004, New Orleans, LA 70112 USA
[2] Columbia Univ, Mailman Sch Publ Hlth, ICAP, New York, NY USA
[3] Columbia Univ, Vagelos Coll Phys & Surg, Aaron Diamond AIDS Res Ctr, Irving Med Ctr,Div Infect Dis, New York, NY USA
[4] Johns Hopkins Sch Nursing, Ctr Infect Dis & Nursing Innovat, Baltimore, MD USA
[5] Columbia Univ, Mailman Sch Publ Hlth, Dept Epidemiol, New York, NY USA
[6] Univ Pittsburgh, Dept Med, Pittsburgh, PA USA
[7] Univ Illinois, Coll Med, Chicago, IL USA
[8] Baylor Coll Med, Houston, TX USA
[9] Rutgers New Jersey Med Sch, Newark, NJ USA
[10] Fred Hutchinson Canc Ctr, Seattle, WA USA