1. LFB; Les Ulis France
2. CEA; Institute of Emerging Diseases and Innovative Therapies (iMETI), Division of Prions and Related Diseases (SEPIA); Fontenay-aux-Roses France
3. Atlantic Biotech S.R.O.; Prague Czech Republic
4. INRA; U892 Virologie Immunologie Moléculaires; Jouy en Josas France