Department of Medicine I and Christian Doppler Laboratory on Iron and Phosphate Biology, Medical University of Innsbruck, Innsbruck, Austria firstname.lastname@example.org. Division of Nephrology, Department of Medicine, and Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina, USA. Medical Clinic I, Department of Gastroenterology, Hepatology, and Clinical Nutrition, University Clinic Frankfurt, Frankfurt, Germany. Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria. Department of Gastroenterology and Hepatology, Skåne University Hospital Malmö, Lund University, Lund, Sweden. Department of Clinical and Non-Clinical Research, Pharmacosmos A/S, Holbæk, Denmark. Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria. Department of Gastroenterology, Queen Elizabeth Hospital Birmingham, Birmingham, UK.