[1] Calif Dept Publ Hlth, Viral & Rickettsial Dis Lab, Richmond, CA 94804 USA
[2] Childrens Hosp & Res Ctr, Oakland, CA USA
[3] Legacy Emanuel Childrens Hosp, Portland, OR USA
[4] Francis J Curry Natl TB Ctr, San Francisco, CA USA
[5] Kaiser Oakland Med Ctr, Oakland, CA USA
[6] Kaiser Fremont Med Ctr, Fremont, CA USA
[7] Costa Cty Publ Hlth Lab, Martinez, CA USA