[1] Columbia Univ, Dept Epidemiol, Mailman Sch Publ Hlth, New York, NY USA
[2] Natl Univ Singapore, Natl Univ Hlth Syst, Saw Swee Hock Sch Publ Hlth, Singapore, Singapore
[3] William Paterson Univ New Jersey, Dept Publ Hlth, Wayne, NJ USA
[4] Univ Chicago, Chicago Ctr HIV Eliminat, Chicago, IL USA
[5] Univ Chicago, Dept Med, Chicago, IL USA
[6] Rutgers State Univ, Edward J Bloustein Sch Planning & Publ Policy, New Brunswick, NJ USA
[7] Univ Chicago, Survey Lab, Chicago, IL USA
[8] Columbia Univ, Dept Sociomed Sci, Mailman Sch Publ Hlth, New York, NY USA
[9] Univ Chicago, Dept Publ Hlth Sci, Chicago, IL USA
[10] Univ Chicago, Crown Sch Social Work, Chicago, IL USA
[11] Columbia Univ, Dept Epidemiol, Mailman Sch Publ Hlth, 722 West 168th St,Room 715, New York, NY 10032 USA