1. Laboratoire de Virologie UPRES EA 2968, Université de Bordeaux 2, 33076 Bordeaux France.
2. CIRBA, Abidjan, Cote d'Ivoire.
3. Center for Preventive Medicine, Ho Chi Minh City, Vietnam.
4. Grant Medical College and Sir JJ Hospital, Byculla, Mumbai, India.
5. INSERM U 593, Bordeaux, France.
6. VIRalliance, Paris, France.