1. Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU-Rue Michel Servet 1, 1211 Geneva 4, Switzerland
2. Research and Development Biopharmaceuticals, Solvias AG, Römerpark 2, 4303 Kaiseraugst, Switzerland
3. Waters Corporation, 34 Maple Street, Milford, Massachusetts 01757-3696, United States
4. Center of Immunology Pierre Fabre, 5 Avenue Napole′on III, BP 60497, 74160 Saint-Julien-en-Genevois, France