About the Authors

Carl Frederik Hansen

Affiliations Department of Histology, Gubra, Hørsholm, Denmark, Department of Human Nutrition, University of Copenhagen, Frederiksberg, Denmark

Marco Bueter

Affiliations Department of Visceral and Transplant Surgery, University Hospital Zurich, Zurich, Switzerland, Center of Integrative Human Physiology, University of Zurich, Zurich, Switzerland

Nadine Theis

Affiliation Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland

Thomas Lutz

Affiliations Center of Integrative Human Physiology, University of Zurich, Zurich, Switzerland, Institute of Veterinary Physiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland

Sarah Paulsen

Affiliation Department of Histology, Gubra, Hørsholm, Denmark

Louise S. Dalbøge

Affiliation Department of Histology, Gubra, Hørsholm, Denmark

Niels Vrang

Affiliation Department of Histology, Gubra, Hørsholm, Denmark

Jacob Jelsing

Jacob@gubra.dk

Affiliation Department of Histology, Gubra, Hørsholm, Denmark

Competing Interests

The following authors are currently employed by the commercial company Gubra Aps: Niels Vrang, Louise Schjellerup Dalbøge, Sarah Paulsen, Jacob Jelsing and Carl Frederik Hansen. However, 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: MB TAL CFH JJ NV. Performed the experiments: CFH LSD SP MB NT. Analyzed the data: MB TAL CFH JJ NV. Contributed reagents/materials/analysis tools: JJ NV TAL. Wrote the paper: CFH JJ NV MB TAL. Study concept and design, critical revision of the manuscript: NV JJ TAL MB CFH. Animal surgery: MB. Animal study supervision: NT. Acquisition of data; analysis and interpretation of data; drafting of the manuscript; statistical analysis, intestinal stereology and qPCR: CFH. Technical support (qPCR): LSD SP.