1. Biotherapeutics Group, National Institute for Biological Standards and Control, Hertfordshire, United Kingdom.
2. Biogen Idec, Development Translational Medicine, Cambridge, Massachusetts.
3. Berlex, Bayer Healthcare, Richmond, California.
4. Merck KGaA, Institute of Drug Metabolism and Pharmacokinetics, Grafing, Germany.
5. Laboratory of Biotechnology and Applied Pharmacology, Ecole Normale Supérieure de Cachan, Cachan Cedex, France.