About the Authors

Richard W. Carr, Ruth Sittl, Peter Grafe
Institute of Physiology, Ludwig-Maximilians University, Munich, Germany

Johannes Fleckenstein
Department of Anaesthesiology, Ludwig-Maximilians University, Munich, Germany

Corresponding Author

Richard.Carr@med.uni-muenchen.de

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RWC PG. Performed the experiments: RWC RS PG. Analyzed the data: RWC. Wrote the paper: RWC RS PG. Informed patients and collected material from surgery: RS.