About the Authors

Catharina Klausenitz

Affiliations Department of Anesthesiology, University Medicine of Greifswald, Greifswald, Germany, Institute of Diagnostic Radiology and Neuroradiology, University Medicine of Greifswald, Greifswald, Germany

Henriette Hacker

Affiliation Department of Anesthesiology, University Medicine of Greifswald, Greifswald, Germany

Thomas Hesse

Affiliation Department of Anesthesiology, University Medicine of Greifswald, Greifswald, Germany

Thomas Kohlmann

Affiliation Institute of Community Medicine, University Medicine of Greifswald, Greifswald, Germany

Karlhans Endlich

Affiliation Institute of Anatomy, University Medicine of Greifswald, Greifswald, Germany

Klaus Hahnenkamp

Affiliation Department of Anesthesiology, University Medicine of Greifswald, Greifswald, Germany

Taras Usichenko

usichent@mcmaster.ca

Affiliations Department of Anesthesiology, University Medicine of Greifswald, Greifswald, Germany, Department of Anesthesia, McMaster University, Hamilton, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: CK TU. Formal analysis: HH TK TU. Investigation: CK TH KHE TU. Methodology: CK HH TK TU. Project administration: CK KH. Resources: TK KHE KH. Supervision: KHE KH. Validation: HH TK. Writing – original draft: CK KH TU. Writing – review & editing: TH HH KHE.