1. Respiratory and Enteric Viruses Branch, Division of Viral and Rickettsial Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Road NE, Mailstop G-17, Atlanta, GA 30333, USA
2. Viral and Rickettsial Disease Laboratory, California Department of Health Services, Richmond, CA, USA
3. Instituto Nacional de Enfermedades Infectiosos – ANLIS ‘Carlos Malbran’, Buenos Aires, Argentina
4. Department of Virology, Swedish Institute for Disease Control, Solna, Sweden
5. Institute of Public Health, Dhaka, Bangladesh
6. Centre National de Référence des Entérovirus, Lyon, France
7. Department of Health, Queen Mary Hospital, Hong Kong Special Administrative Region, People's Republic of China
8. National Polio Laboratory, Baghdad, Iraq
9. Department of Laboratories, Directorate General of Health Affairs, Ministry of Health, Muscat, Oman