1. Joint Mass Spectrometry Centre, Analytical Chemistry, University of Rostock, 18059 Rostock, Germany
2. Comprehensive Molecular Analytics (CMA) Cooperation Group, Helmholtz Centre Munich, 81379 Munich, Germany
3. Department Life, Light & Matter, University of Rostock, 18059 Rostock, Germany
4. Photonion GmbH, 19061 Schwerin, Germany
5. Institute for Physics, University of Rostock, 18059 Rostock, Germany