1. Gut Ecosystem DepartmentInstitute of Nutritional Science, Nestlé Research Centre, Vers‐chez‐les‐Blanc, CH‐1000 Lausanne 26 Switzerland
2. International Centre for Diarrheal Diseases Research, Bangladesh (icddr,b), Nutrition and Clinical Services Division, 68 Shaheed Tajuddin Ahmed Sharani Mohakhali, Dhaka 1212 Bangladesh
3. Nestlé Institute of Health Sciences, EPFL Innovation Park CH‐1015, Lausanne Switzerland