1. Department of Internal Medicine I; University Medical Centre of the Johannes Gutenberg-University; Mainz Germany
2. Cirrhosis Centre Mainz (CCM); University Medical Centre of the Johannes Gutenberg-University; Mainz Germany
3. Institute of Medical Biostatistics, Epidemiology and Informatics; University Medical Centre of the Johannes Gutenberg-University; Mainz Germany
4. Department of Internal Medicine; Diakonie Klinikum; Jung-Stilling Hospital; Siegen Germany