[1] Univ Leicester, Resp Sci, Leicester, Leics, England
[2] St Jude Childrens Res Hosp, 332 N Lauderdale St, Memphis, TN 38105 USA
[3] Univ Hosp Plymouth NHS Trust, Emergency Dept, British Antarctic Survey Med Unit, Plymouth, Devon, England
[4] NSW Hlth Pathol, Inst Clin Pathol & Med Res, Westmead, NSW, Australia
[5] Univ Sydney, Westmead, NSW, Australia
[6] Inst Pasteur, Virol Dept, Dakar, Senegal
[7] Univ Otago, Dept Pathol & Biomed Sci, Christchurch, New Zealand
[8] Canterbury Hlth Labs, Christchurch, New Zealand
[9] Chinese Univ Hong Kong, JC Sch Publ Hlth & Primary Care, Hong Kong, Peoples R China
[10] Chinese Univ Hong Kong, Stanley Ho Ctr Emerging Infect Dis, Hong Kong, Peoples R China
[11] Chinese Univ Hong Kong, Hong Kong Inst Asia Pacific Studies, Hong Kong, Peoples R China
[12] Chinese Univ Hong Kong, Shenzhen Res Inst, Shenzhen, Peoples R China
[13] Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China
[14] Natl Univ Singapore Hosp, Lab Med, Singapore, Singapore
[15] Virginia Tech, Civil & Environm Engn, Blacksburg, VA USA
[16] Univ Nacl Asuncion, Inst Invest Ciencias Salud, San Lorenzo, Paraguay
[17] Univ Hosp Leicester NHS Trust, Clin Microbiol, Leicester, Leics, England
[18] Niigata Univ, Div Int Hlth, Niigata, Japan
[19] Hosp Nino San Borja, Lima, Peru
[20] Royal Melbourne Hosp, WHO Collaborating Ctr Reference & Res Influenza, Melbourne, Vic, Australia
[21] Univ Melbourne, Dept Infect Dis, Peter Doherty Inst Infect & Immun, Melbourne, Vic, Australia
[22] Univ Fed Juiz de Fora, Dept Parasitol Microbiol & Immunol, Juiz De Fora, Brazil
[23] Natl Univ Med Sci, Karachi Inst Med Sci, Karachi, Pakistan