About the Authors

Mark Niegsch


Affiliation Anaesthesiology Department Z, Bispebjerg Hospital, Copenhagen, Denmark

Maria Louise Fabritius

Affiliation Centre of Head and Orthopaedics, Anaesthesiology Department 4231, Copenhagen University Hospital, Copenhagen, Denmark

Jacob Anhøj

Affiliation Danish Society for Patient Safety, P610 Hvidovre Hospital, Hvidovre, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MN MLF. Performed the experiments: MN MLF. Analyzed the data: JA. Contributed reagents/materials/analysis tools: MN MLF JA. Wrote the paper: MN. Revised and approved manuscript: MLF JA.