About the Authors

Silke S. Zakrzewski

Affiliation Institute of Clinical Physiology, Charité – Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany

Jan F. Richter

Current address: Institute of Anatomy II, Universitätsklinikum Jena, Jena, Germany

Affiliation Institute of Clinical Physiology, Charité – Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany

Susanne M. Krug

Affiliation Institute of Clinical Physiology, Charité – Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany

Britta Jebautzke

Affiliation Department of Gastroenterology, Division of Nutritional Medicine, Charité, Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany

In-Fah M. Lee

Affiliation Institute of Clinical Physiology, Charité – Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany

Juliane Rieger

Affiliation Institute of Veterinary Anatomy, Freie Universität Berlin, Berlin, Germany

Monika Sachtleben

Affiliation Institute of Veterinary Anatomy, Freie Universität Berlin, Berlin, Germany

Angelika Bondzio

Affiliation Institute of Veterinary Biochemistry, Freie Universität Berlin, Berlin, Germany

Jörg D. Schulzke

Affiliation Department of Gastroenterology, Division of Nutritional Medicine, Charité, Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany

Michael Fromm

Affiliation Institute of Clinical Physiology, Charité – Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany

Dorothee Günzel

correspondence: dorothee.guenzel@charite.de

Affiliation Institute of Clinical Physiology, Charité – Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SSZ J. Richter MF DG. Performed the experiments: SSZ BJ IML J. Rieger MS AB DG. Analyzed the data: SSZ SMK AB MF DG. Contributed reagents/materials/analysis tools: AB MS J. Rieger JDS. Wrote the paper: SSZ JDS MF DG.