About the Authors

Maike Stegen

Roles Formal analysis, Investigation, Visualization, Writing – original draft

maike.stegen@uk-essen.de

Affiliation Department of Anaesthesiology and Intensive Care Medicine, Essen University Hospital and University of Duisburg-Essen, Essen, Germany

Andrea Engler

Roles Investigation, Methodology, Project administration, Supervision, Writing – review & editing

Affiliation Department of Anaesthesiology and Intensive Care Medicine, Essen University Hospital and University of Duisburg-Essen, Essen, Germany

Crista Ochsenfarth

Roles Investigation, Methodology, Supervision, Writing – review & editing

Affiliation Department of Anaesthesiology, Operative Intensive Care Medicine, Pain and Palliative Medicine, Marien Hospital Herne, Ruhr-University Bochum, Bochum, Germany

Iris Manthey

Roles Investigation, Methodology, Writing – review & editing

Affiliation Institute of Pharmacogenetics, Essen University Hospital and University of Duisburg-Essen, Essen, Germany

Jürgen Peters

Roles Conceptualization, Resources, Supervision, Writing – review & editing

Affiliation Department of Anaesthesiology and Intensive Care Medicine, Essen University Hospital and University of Duisburg-Essen, Essen, Germany

Winfried Siffert

Roles Methodology, Resources, Supervision, Writing – review & editing

Affiliation Institute of Pharmacogenetics, Essen University Hospital and University of Duisburg-Essen, Essen, Germany

Ulrich H. Frey

Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

Affiliations Department of Anaesthesiology and Intensive Care Medicine, Essen University Hospital and University of Duisburg-Essen, Essen, Germany, Department of Anaesthesiology, Operative Intensive Care Medicine, Pain and Palliative Medicine, Marien Hospital Herne, Ruhr-University Bochum, Bochum, Germany

Competing Interests

The authors have declared that no competing interests exist.