About the Authors
- Karl-Heinz Konopka
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* E-mail: k.h.konopka@umcg.nl
Affiliation Department of Anesthesiology, Pain Management Unit, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Marten Harbers
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Affiliation Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Andrea Houghton
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Affiliation Merck & Co., Inc., West Point, Pennsylvania, United States of America
- Rudie Kortekaas
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Affiliation Department of Neuroscience, Neuroimaging Center, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Andre van Vliet
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Affiliation PRA International, Zuidlaren, The Netherlands
- Wia Timmerman
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Affiliation PRA International, Zuidlaren, The Netherlands
- Johan A. den Boer
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Affiliation Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Michel M. R. F. Struys
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Affiliation Department of Anesthesiology, Pain Management Unit, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Marten van Wijhe
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Affiliation Department of Anesthesiology, Pain Management Unit, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
Competing Interests
AV and WT are employed by PRA International, Netherlands and AH is employed by Merck & Co.,Inc, USA. KHK, MH, RK, JB, MS and MW have disclosed no competing interests. There are no patents, products in development or marketed products to declare. 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: KHK MH WT JB MW AV AH. Performed the experiments: KHK MH. Analyzed the data: KHK MH. Wrote the paper: KHK MH WT JB MW AV AH RK MS. Obtained permission: KHK MH WT JB MW AV AH RK MS.