Affiliation: | 1.Department of Anesthesiology, Intensive Care Medicine, Emergency Medicine and Pain Management, Augusta-Kliniken Bochum-Mitte, Bochum, Germany ;2.Department of Anesthesiology, Intensive Care Medicine, Emergency Medicine and Pain Management, University Medical Center Göttingen, Göttingen, Germany ;3.Department of Medical Statistics, University Medical Center Göttingen, Göttingen, Germany ; |