[1] Queensland Inst Med Res, Div Infect Dis & Immunol, Tumour Immunol Lab, Cooperat Res Ctr Vaccine Technol, Brisbane, Qld 4029, Australia
[2] Univ Queensland, Dept Mol & Cellular Pathol, Joint Oncol Program, Brisbane, Qld 4029, Australia
[3] Chulalongkorn Univ, Fac Med, Dept Microbiol, Immunol Unit, Bangkok 10330, Thailand