[1] Otto-von-Guericke-University Hospital,Department of Cardiology
[2] Otto-von-Guericke-University Hospital,Institute for Experimental Internal Medicine
[3] Otto-von-Guericke-University Hospital,Institute for Biometry and Medical Informatics
[4] University of Saarland,Hospital for Internal Medicine III
[5] Städtische Kliniken Bielefeld,II. Medical Hospital and Ambulance
[6] STK Hildesheim,undefined
[7] Johannes Gutenberg-University Mainz,undefined