1 Division of Cardiology, Pulmonology, and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Düsseldorf, Germany.
2 Clinic of Internal Medicine II, Department of Cardiology, Paracelsus Medical University of Salzburg, Salzburg, Austria.
3 Department of Anesthesia and Intensive Care, Haukeland University Hospital, Bergen, Norway.
4 Division of Gastroenterology, Hepatology and Infectiology, Medical Faculty, University Hospital Düsseldorf, Düsseldorf, Germany.
5 Division of Cardiology, Pulmonology, and Vascular Medicine, Medical Faculty, University Hospital Düsseldorf, Düsseldorf, Germany. Christian.Jung@med.uni-duesseldorf.de.