[1] La Jolla Inst Allergy & Immunol, Div Vaccine Discovery, La Jolla, CA 92037 USA
[2] Murdoch Univ, Inst Immunol & Infect Dis, Perth, WA 6150, Australia
[3] Vanderbilt Univ, Sch Med, Nashville, TN 37235 USA
[4] Childrens Hosp Oakland, Res Inst, Oakland, CA 94609 USA
[5] Genetech Res Inst, Colombo, Sri Lanka
[6] Univ Colombo, Sci Fac, Dept Zool & Environm Sci, Colombo, Sri Lanka
[7] North Colombo Teaching Hosp, Ragama, Colombo, Sri Lanka
[8] Natl Inst Infect Dis, Gothatuwa, Angoda, Sri Lanka
[9] Univ Calif San Diego, Dept Med, La Jolla, CA 92093 USA