1 *Human Nutrition, School of Medicine, College of Medicine, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom †Department of Pediatric Gastroenterology, Hepatology and Nutrition, National Health Service Scotland, Royal Hospital for Sick Children, Glasgow, United Kingdom ‡School of Engineering, University of Glasgow, Glasgow, United Kingdom §Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom ‖Department of Gastrointestinal Microbiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Arthur-Scheunert-Allee, Nuthetal, Germany.