[1
]
Department of Medicine, Marienhausklinik St. Josef Kohlhof, Neunkirchen, Germany;
Department of Medicine II, Saarland University Medical Center, Saarland University,
Homburg, Germany. Electronic address: vincent.zimmer@gmx.de.
[2
]
Department of Medicine, Marienhausklinik St. Josef Kohlhof, Neunkirchen, Germany.
Electronic address: s.exner@koh.marienhaus-gmbh.de.