1. Department of Internal Medicine, Gastroenterology and Clinical Geriatrics Zuyderland Medical Center Sittard‐Geleen The Netherlands
2. Division of Gastroenterology and Hepatology Department of Internal Medicine Maastricht University Medical Centre Maastricht The Netherlands
3. School of Nutrition and Translational Research in Metabolism (NUTRIM) Maastricht University Maastricht The Netherlands
4. Department of Laboratory Medicine (TML 830) Radboud University Medical Center Nijmegen The Netherlands
5. Hepcidinanalysis.com Nijmegen The Netherlands