1. Department of Medicine A University Medicine Greifswald Greifswald Germany
2. Internal Medicine Department Hue University of Medicine and Pharmacy Hue Vietnam
3. Department of Medicine II, Division of Gastroenterology Rostock University Medical Center Rostock Germany
4. Institute of Evidence‐based Dietetics (NIED) University of Applied Sciences Neubrandenburg Neubrandenburg Germany
5. Institute of Nutritional Physiology “Oskar Kellner” Leibniz Institute for Farm Animal Biology (FBN) Dummerstorf Germany