1. IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
2. Aachen Biology and Biotechnology, RWTH Aachen University, 52056 Aachen, Germany
3. HERBRAND PharmaChemicals GmbH, 77723 Gengenbach, Germany
4. Department of Chemistry, University of Graz, Heinrichstrasse 28, 8010 Graz, Austria
5. Roche-Diagnostics GmbH, 82377 Penzberg, Germany