[1] Ctr Dis Control & Prevent, Atlanta, GA USA
[2] London Sch Hyg & Trop Med, London, England
[3] Univ Pretoria, Pretoria, South Africa
[4] Robert Koch Inst, Berlin, Germany
[5] Calif Dept Publ Hlth, Richmond, CA USA
[6] Natl Inst Communicable Dis, Johannesburg, South Africa
[7] UCL Great Ormond St Inst Child Hlth, London, England
[8] UK Hlth Secur Agcy, London, England
[9] Univ N Carolina, Chapel Hill, NC USA
[10] Univ Klinikum Tubingen, Tubingen, Germany
[11] Ctr Rech Med Lambarene, Lambarene, Gabon
[12] Vietnamese German Ctr Med Res, Hanoi, Vietnam
[13] Duy Tan Univ, Da Nang, Vietnam
[14] German Ctr Infect Res, Tubingen, Germany
[15] Ctr Dis Control & Prevent, Mailstop H18-7, Atlanta, GA 30329 USA