1. Department of Molecular Embryology, Faculty of Medicine Institute of Anatomy and Cell Biology, Albert‐Ludwigs‐Universität Freiburg Freiburg Germany
2. Department of General Zoology, FB Biology University of Kaiserslautern Kaiserslautern Germany
3. Chair of Proteomics and Bioanalytics Technical University of Munich Freising Germany
4. Bavarian Biomolecular Mass Spectrometry Center (BayBioMS) Technical University of Munich Freising Germany