1. New address: Monoclonal Antibody Discovery (MAD) Lab Fondazione Toscana Life Sciences 53100 Siena Italy
2. Department of Chemistry Ludwig-Maximilians-Universität München Butenandtstr. 5–13 81377 Munich Germany
3. Division of Clinical Pharmacology University Hospital Ludwig-Maximilians-Universität München Lindwurmstr. 2a 80337 Munich Germany
4. Gene Center and Department of Biochemistry Ludwig-Maximilians-Universität München Feodor-Lynen-Str. 25 81377 Munich Germany