[1] Tufts Med Ctr, Div Geog Med & Infect Dis, Boston, MA 02111 USA
[2] Tufts Univ, Div Geog Med & Infect Dis, Boston, MA 02111 USA
[3] Talbot Advisors, Wayne, PA USA
[4] Rady Childrens Hosp San Diego, Div Infect Dis, San Diego, CA USA
[5] Univ Calif San Diego, San Diego, CA 92103 USA
[6] Harbor Univ Calif Los Angeles, Med Ctr, Div Infect Dis, Los Angeles, CA USA
[7] Los Angeles Biomed Res Inst, Torrance, CA USA
[8] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA 90095 USA
[9] Providence Portland Med Ctr, Div Infect Dis, Portland, OR USA
[10] Oregon Hlth & Sci Univ, Portland, OR 97201 USA
[11] Louis Stokes Cleveland Vet Adm Med Ctr, Med Serv, Cleveland, OH USA
[12] Case Western Reserve Univ, Sch Med, Dept Med, Cleveland, OH 44106 USA
[13] Univ Virginia, Sch Med, Dept Med, Charlottesville, VA 22908 USA
[14] Johns Hopkins Univ, Sch Med, Dept Med, Baltimore, MD 21205 USA