1. Proteome Center Rostock, Medical Faculty and Natural Science Faculty, University of Rostock, Schillingallee 69, 18057 Rostock, Germany
2. AffyMSLifeChem Center for Biopolymer Analysis and Biomedical Mass Spectrometry, 65428 Rüsselsheim am Main, Germany
3. Faculty of Chemistry, Group of Biochemistry, “Alexandru Ioan Cuza” University of Iaşi, Bldv. Carol I, No.11, 700506 Iaşi, Romania