1. Department of Gastroenterology and Hepatology, University Hospital Zürich, Zürich, Switzerland
2. Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
3. Department of Pharmaceutical Technology and Biopharmacy, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, The Netherlands
4. Institute of Physiology, University of Zürich, Zürich, Switzerland
5. Department of Pathology and Molecular Pathology, University Hospital Zürich, Zürich, Switzerland
6. Kidney Control of Homeostasis, Swiss National Centre of Competence in Research, Zürich, Switzerland