a University Hospital of Muenster, Muenster, Germany
Maryam Yahiaoui-Doktor
b Maryam Yahiaoui-Doktor: Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany
Winfried Meissner
c Department of Anaesthesiology and Intensive Care, Jena University Hospital, Jena, Germany
Peter K. Zahn
d Department of Anaesthesiology and Intensive Care Medicine, Palliative Care Medicine and Pain Management, Berufsgenossenschaftliches Universitätsklinikum Bergmannsheil GmbH Bochum, Ruhr University Bochum, Germany
Alexander Schnabel
a University Hospital of Muenster, Muenster, Germany