1 Institute of Clinical Chemistry and Laboratory Medicine, Functional Lipidomics and Metabolism Research, University Hospital Regensburg, Regensburg, Germany.
2 Technical University of Munich, School of Medicine and Health, Dept. of Surgery, 81675, Munich, Germany.
3 Institute of Clinical Chemistry and Laboratory Medicine, Functional Lipidomics and Metabolism Research, University Hospital Regensburg, Regensburg, Germany. josef.ecker@ukr.de.