1. Bioorganic Chemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
2. Department of Pathology Medical Faculty Otto von Guericke University Magdeburg 39120 Magdeburg Germany
3. Department of Biochemistry Kiel University 24098 Kiel Germany
4. Protein Engineering & Antibody Technologies Merck Healthcare KGaA Frankfurter Str. 250 64293 Darmstadt Germany
5. Department of Biochemistry University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
6. Animal Welfare Kiel University 24098 Kiel Germany