1. Department of Infectious Disease Epidemiology Statens Serum Institut Copenhagen Denmark
2. Influenza Division Centers for Disease Control and Prevention Atlanta GA USA
3. National Centre of Epidemiology, CIBER Epidemiología y Salud Pública (CIBERESP) Carlos III Health Institute Madrid Spain
4. Department of Computer Science University of Oxford Oxford UK
5. Health Emergencies Program World Health Organization Regional Office for Europe Copenhagen Denmark
6. Department of Medicine Stanford University Palo Alto CA USA