[1] Int Ctr Diarrhoeal Dis Res Icddr B, Lab Sci & Serv Div, GPO Box 128, Dhaka 1000, Bangladesh
[2] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Epidemiol, Baltimore, MD USA
[3] Erasmus Univ, Dept Med Microbiol & Infect Dis, Med Ctr, Rotterdam, Netherlands
[4] Fdn Merieux, Lyon, France
[5] Natl Inst Neurosci & Hosp, Dhaka, Bangladesh
[6] Erasmus Univ, Dept Neurol, Med Ctr, Rotterdam, Netherlands
[7] Erasmus Univ, Dept Immunol, Med Ctr, Rotterdam, Netherlands