About the Authors

Gisela Untergehrer

Contributed equally to this work with: Gisela Untergehrer, Denis Jordan

g.untergehrer@gmx.de

Affiliations Department of Anesthesiology, Helios Clinic Wuppertal, Witten/Herdecke University, Wuppertal, Germany, Department of Anesthesiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany

Denis Jordan

Contributed equally to this work with: Gisela Untergehrer, Denis Jordan

Affiliation Department of Anesthesiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany

Eberhard F. Kochs

Affiliation Department of Anesthesiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany

Rüdiger Ilg

Affiliation Department of Neurology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany

Gerhard Schneider

Affiliations Department of Anesthesiology, Helios Clinic Wuppertal, Witten/Herdecke University, Wuppertal, Germany, Department of Anesthesiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GS. Performed the experiments: GS. Analyzed the data: GU DJ. Contributed reagents/materials/analysis tools: EK RI GS. Wrote the paper: GU DJ EK GS.