About the Authors
- Karen Dirksen
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Affiliation Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
- Bart Spee
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Affiliation Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
- Louis C. Penning
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Affiliation Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
- Ted S. G. A. M. van den Ingh
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Affiliation TCCI Consultancy BV, Cicerolaan 1, AJ, Utrecht, The Netherlands
- Iwan A. Burgener
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Affiliations Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands, Department für Kleintiere und Pferde, Veterinärmedizinische Universität Wien, Vienna, Austria
- Adrian L. Watson
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Affiliation The Royal Canin Research Center, Aimargues, France
- Marian Groot Koerkamp
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Affiliation The Princess Maxima Center, Lundlaan 6, EA Utrecht, The Netherlands
- Jan Rothuizen
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Affiliation Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
- Frank G. van Steenbeek
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Contributed equally to this work with: Frank G. van Steenbeek, Hille Fieten
Affiliation Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
- Hille Fieten
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Contributed equally to this work with: Frank G. van Steenbeek, Hille Fieten
* E-mail: H.fieten@uu.nl
Affiliation Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
Competing Interests
We have the following interests. Ted S.G.A.M. van den Ingh is employed by TCCI Consultancy BV and Adrian L. Watson by The Royal Canin Research Center. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.
Author Contributions
Conceptualization: ALW JR HF. Data curation: KD MGK FGvS. Formal analysis: KD MGK FGvS. Investigation: KD TSGAMvdI HF. Methodology: MGK. Resources: BS LCP ALW. Software: MGK FGvS. Supervision: IAB JR. Visualization: FGvS. Writing – original draft: KD FGvS. Writing – review & editing: KD BS LCP TSGAMvdI ALW MGK FGvS HF.