1. Department of Organic Chemistry and Technology, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, 1111 Budapest, Hungary
2. Medicinal Chemistry Research Group, HUN-REN Research Centre for Natural Sciences, 1117 Budapest, Hungary
3. National Drug Research and Development Laboratory, HUN-REN Research Centre for Natural Sciences, 1117 Budapest, Hungary
4. Hungarian Research Network (HUN-REN), HUN-REN-ELTE Research Group of Peptide Chemistry, Eötvös Loránd University, 1117 Budapest, Hungary
5. Department of Genetics, Cell- and Immunobiology, Semmelweis University, Nagyvárad tér 4, 1089 Budapest, Hungary
6. Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstr. 5-13, D-81377 München, Germany
7. MS Proteomics Research Group, Research Centre for Natural Sciences, 1117 Budapest, Hungary