1. ARNA Laboratory, Inserm U1212, CNRS UMR 5320, Université de Bordeaux, 33000 Bordeaux, France
2. Max Planck Institute for Biophysical Chemistry, Research group Mass Spectrometry, Am Faßberg 11, 37077 Göttingen, Germany
3. Bioanalytics, Institute for Clinical Chemistry, University Medical Center, Robert-Koch-Strasse 420, 37075 Göttingen, Germany