[1] Univ Lyon 1, INSERM, U1111,Ctr Natl Rech Sci,Unite Mixte Rech 5308,Eco, Ctr Int Rech Infectiol,Enveloppe Virale & Ingn Re, F-69365 Lyon, France
[2] Scripps Res Inst, Ctr Int Rech Infectiol, Cellular Biol Viral Infect Team, La Jolla, CA 92037 USA
[3] Scripps Res Inst, Dept Mol & Expt Med, La Jolla, CA 92037 USA
[4] Ctr Mediterraneen Med Mol, INSERM, U1065, Equipe Controle Metab Morts Cellulaires, Nice, France