1. Department of Paediatrics Justus‐Liebig‐University Giessen Giessen Germany
2. Department of Pathology Justus‐Liebig‐University Giessen Giessen Germany
3. Department of Pediatric Surgery UKE: University Hospital Eppendorf Altona Children's Hospital Hamburg Germany
4. Department of Pediatric Surgery Medical Faculty Mannheim University Heidelberg Mannheim Germany
5. Department of Internal Medicine A Ernst‐Moritz‐Arndt University Greifswald Germany
6. Institute of Medical Microbiology Justus‐Liebig‐University Giessen Giessen Germany
7. German Centre for Infection Research (DZIF) Partner Site Giessen‐Marburg‐Langen Justus Liebig University Giessen Giessen Germany
8. Children's Nutrition Research Center Baylor College of Medicine Houston TX USA
9. Department of Physiological Chemistry University of Veterinary Medicine Hannover Hannover Germany