1. Department of Internal Medicine II, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
2. Department of Diagnostic and Interventional Radiology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
3. Institute for Medical Biometry, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany