1. Department of Biochemistry; Justus-Liebig-Universität Giessen; Giessen Germany
2. Department of Cardiology and Angiology; Hannover Medical School; Hannover Germany
3. Department of Otorhinolaryngology, Head and Neck Surgery; Ludwig-Maximilians-Universität München; Munich Germany
4. Walter Brendel Center of Experimental Medicine; Ludwig-Maximilians-Universität München; Munich Germany
5. Department of Cardiology, Angiology and Pneumology; Otto-von-Guericke University Magdeburg; Magdeburg Germany
6. Oslo University Hospital and University of Oslo; Oslo Norway