[1] Tufts Med Ctr, Dept Med, Div Geog Med & Infect Dis, Boston, MA 02111 USA
[2] Univ Calif San Francisco, Dept Psychiat, Weill Inst Neurosci, San Francisco, CA USA
[3] Zuckerberg San Francisco Gen Hosp, Div Infant Child & Adolescent Psychiat, San Francisco, CA USA
[4] Univ Arkansas Med Sci, Fay W Boozman Coll Publ Hlth, Little Rock, AR 72205 USA
[5] Univ Texas Southwestern Med Ctr Dallas, Dept Internal Med, Div Infect Dis & Geog Med, Dallas, TX USA
[6] Miriam Hosp, Dept Med, Div Infect Dis, Providence, RI 02906 USA
[7] Rhode Isl Hosp, Providence, RI USA
[8] Univ Miami, Dept Sociol, Coral Gables, FL 33124 USA
[9] Univ North Carolina Chapel Hill, Dept Social Med, Ctr Hlth Equ Res, Chapel Hill, NC USA