1. Organic Chemistry Laboratory, University of Bayreuth, D-95447 Bayreuth, Germany
2. Institute of Physiology, Charité-Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, D-10117 Berlin, Germany
3. Institute of Vegetative Physiology, Charité-Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, D-10117 Berlin, Germany
4. Institute of Translational Immunology, University Medical Center of the Johannes Gutenberg University, D-55131 Mainz, Germany