1. Neurobiochemical Research Unit, Department of Psychiatry, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
2. Leibniz Research Institute for Environmental Medicine (IUF), Düsseldorf, Germany
3. Department of Internal Medicine I, University Hospital Aachen, RWTH Aachen University, Aachen, Germany
4. Institute for Pharmacology and Clinical Pharmacology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
5. Department of Plastic Surgery and Hand Surgery, Burn Center, University Hospital of the Aachen University of Technology, Aachen, Germany