1. “Pedro Kouri” Tropical Medicine Institute, Havana, Cuba.
2. National Center for Animal and Plant Health, Havana, Cuba.
3. Pediatric Dengue Vaccine Initiative, Bethesda, Maryland.
4. CEH Wallingford, OX10 8BB, Oxford, United Kingdom.
5. Unité des Virus Emergents, Faculté de Médecine Timone, Marseille, France.