1. Steinbeis Centre for Biopolymer Analysis and Biomedical Mass Spectrometry; 65428 Rüsselsheim am Main Germany
2. Department of Chemistry; University of Konstanz; 78457 Konstanz Germany
3. Ametek Reichert Technologies; Depew NY 14043 USA
4. French-Italian Interdepartmental Laboratory of Peptide and Protein Chemistry and Biology; Università degli Studi di Firenze; 50019 Sesto Fiorentino Italy
5. Dipartimento di Chimica “Ugo Schiff”; Università degli Studi di Firenze; Via della Lastruccia 13 50019 Sesto Fiorentino Italy
6. PeptLab@UCP and Laboratory of Chemical Biology EA4505; Université Paris-Seine; 5 Mail Gay-Lussac 95031 Cergy-Pontoise France
7. Department of Pediatrics, Villa Metabolica; Universitätsmedizin Mainz; 55130 Mainz Germany