1. Host-Microbe Metabolic Interactions, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen Host-Microbe, Groningen, The Netherlands
2. Department of Medicine, University of California San Diego, La Jolla, CA, USA
3. European Research Institute for the Biology of Ageing (ERIBA), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
4. Department of chronic diseases and metabolism, Faculty of Medicine, Translational Research in GastroIntestinal Disorders (TARGID), KU Leuven, Belgium
5. VA San Diego Healthcare System, San Diego, CA, USA