1. Center for Education and Research on Macromolecules (CERM); University of Liege; B6a Sart-Tilman B-4000 Liege Belgium
2. CNRS; University of Bordeaux; ICMCB, UPR 9048 F-33600 Pessac France
3. Laboratory of Mammalian Cell Culture (GIGA-R); University of Liege; B6c Sart-Tilman B-4000 Liege Belgium