About the Authors

Rolf C. G. Gallandat Huet

r.c.g.huet@anest.umcg.nl

Affiliation Department of Anesthesiology, University of Groningen, University Medical Center Groningen, The Netherlands

Adrianus J. de Vries

Affiliation Department of Anesthesiology, University of Groningen, University Medical Center Groningen, The Netherlands

Vladimir Cernak

Affiliation Department of Anesthesiology, University of Groningen, University Medical Center Groningen, The Netherlands

Ton Lisman

Affiliation Surgical Research Laboratory, Dept of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands

Competing Interests

NODIA BV provided utensils, but this does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RGH VC. Performed the experiments: RGH VC TL. Analyzed the data: RGH VC AV. Contributed reagents/materials/analysis tools: RGH VC TL. Wrote the paper: RGH VC AV TL.