1. Department of Cardiac and Thoracic Vascular Surgery, Marburg University Hospital, 35043 Marburg, Germany
2. Department of Medical Physiology, Tanta Faculty of Medicine, Tanta University, Tanta 31527, Egypt
3. Division of Physiology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, 8010 Graz, Austria
4. Department of Vascular and Endovascular Surgery, Asklepios Clinic Wandsbek, Asklepios Medical School, 20043 Hamburg, Germany
5. Brandenburg Medical School Theodor Fontane, 16816 Neuruppin, Germany
6. Centre for Vascular Medicine, Clinic of Angiology, St.-Josefs-Hospital, Katholische Krankenhaus Hagen gem. GmbH, 58099 Hagen, Germany
7. Department of Internal Medicine III, University Hospital Carl Gustav Carus at Technische Universität Dresden, 01307 Dresden, Germany