1. Institute of Medicine; University of Gothenburg; Gothenburg Sweden
2. Institute of Biomedicine; University of Gothenburg; Gothenburg Sweden
3. Department of Internal Medicine; Södra Älvsborg Hospital; Borås Sweden
4. Danone Nutricia Research; Palaiseau France
5. French National Institute for Agricultural Research (INRA) MetaGenoPolis; Jouy-en-Josas France
6. Centre for Person-Centred Care; University of Gothenburg; Gothenburg Sweden
7. Center for Functional Gastrointestinal and Motility Disorders; University of North Carolina; Chapel Hill North Carolina