1. National Influenza Centre; Accra; Ghana
2. Food and Drug Administration; Rockville; MA; USA
3. Harvard School of Public Health; Boston; MA; USA
4. Centers for Disease Control and Prevention (CDC); Atlanta; GA; USA
5. NAMRU-3; Cairo; Egypt
6. Network of Expertise on Animal Influenzas(OFFLU) Steering Committee; Hereford; UK
7. Imperial College School of Medicine at St Mary's; London; UK
8. Therapeutic Goods Administration Laboratories; Symonston; Australia
9. National Institute for Medical Research; London; UK
10. Ministry of Public Health; Nonthaburi; Thailand
11. National Institutes of Health; Bethesda; MD; USA
12. Freelancer; Bethesda; MD; USA
13. National Influenza Centre; Pune; India
14. University of Michigan School of Public Health; AnnArbor; MI; USA
15. Instituto Oswaldo Cruz; Rio de Janeiro; Brazil
16. WHO Collaborating Centre for Reference and Research on Influenza; Tokyo; Japan
17. Freelancer; Stanley; UK
18. World Health Organization(WHO); Geneva; Switzerland
19. National Institute for Biological Standards and Control(NIBSC); PottersBar; UK
20. Health Protection Agency; London; UK