1. Department of Organic Chemistry and Technology Faculty of Chemical Technology and Biotechnology Budapest University of Technology and Economics 1521 Budapest Hungary
2. Eötvös Loránd Research Network (ELKH) Research Group of Peptide Chemistry Eötvös Loránd University 1117 Budapest Hungary
3. Department of Genetics, Cell-and Immunobiology Semmelweis University 1089 Budapest, Nagyvárad tér 4 Hungary
4. Department of Inorganic and Analytical Chemistry Faculty of Chemical Technology and Biotechnology Budapest University of Technology and Economics 1521 Budapest Hungary
5. Department Chemie Ludwig-Maximilians-Universitat München 81377 München Butenandtstr. 5–13 Germany
6. MS Proteomics Research Group Research Centre for Natural Sciences 1117 Budapest Hungary