[1] Univ Calif Los Angeles, Harbor Med Ctr, Div Infect Dis, St Johns Cardiovasc Res Ctr, Torrance, CA 90509 USA
[2] Univ Calif Los Angeles, Harbor Med Ctr, Div Adult Infect Dis, Torrance, CA 90509 USA
[3] Univ Calif Los Angeles, Sch Med, Los Angeles, CA USA
[4] Charles R Drew Univ Med & Sci, Martin Luther King Med Ctr, Div Infect Dis, Torrance, CA USA