About the Authors
- Chris Martini
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Affiliation Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands
- Monique van Velzen
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Affiliation Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands
- Asbjørn Drewes
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Affiliation Mech-Sense, Department of Gastroenterology & Hepatology, Aalborg University Hospital, Aalborg, Denmark
- Leon Aarts
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Affiliation Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands
- Albert Dahan
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Affiliation Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands
- Marieke Niesters
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* E-mail: m.niesters@lumc.nl
Affiliation Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands
Competing Interests
A. Dahan and A. Drewes received speaker fees from Grünenthal GmbH. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: CM A. Dahan A. Drewes LA MN. Performed the experiments: CM AD MN. Analyzed the data: MN AD. Contributed reagents/materials/analysis tools: LA. Wrote the paper: A. Dahan MN MvV CM A. Drewes LA.