1. Biochemical Pharmacology, University of Konstanz, P.O. Box M 655, 78457 Konstanz, Germany;
2. National Institute of Public Health (NIPH), Department of Vaccinology, P.O. Box 4404 Torshov, Geitmyrsveien 75, 0403 Oslo, Norway;
3. Milenia-Biotec, Hohe Strasse 4–8, 61231 Bad Nauheim, Germany;
4. Medical Products Agency, P.O. Box 26, Husargatan 8, 751 03 Uppsala, Sweden;
5. European Directorate for the Quality of Medicines, Council of Europe, P.O. Box 907, 67029 Strasbourg Cedex 1, France;
6. ECVAM, JRC Institute for Health and Consumer Protection, European Commission, 21020 Ispra (VA), Italy;
7. Paul-Ehrlich-Institut, Paul-Ehrlich-Strasse 51–59, 63225 Langen, Germany;
8. National Institute for Public Health and the Environment (RIVM), LGM, P.O. Box 1, 3720 BA Bilthoven, The Netherlands;
9. Analysis and Control Department, Statens Serum Institut, Artillerivej 5, 2300 Copenhagen S, Denmark;
10. Pharma Hameln GmbH, Langes Feld 13, 31789 Hameln, Germany;
11. Division of Endocrinology, National Institute for Biological Standards and Control (NIBSC), Blanche Lane, South Mimms, Potters Bar, Hertfordshire EN6 3QG, UK;
12. Office of Testing and Research, Center for Drug Evaluation and Research, Food and Drug Administration, FD-900, Parklawn Building, Room 13B-06, 5600 Fishers Lane, Rockville, MD 20857, USA;
13. Institut für Medizinische Chemie und Biochemie, Universität Innsbruck, Fritz-Pregl-Strasse 3, 6020 Innsbruck, Austria