1. Nutrition-Gut-Brain Interactions Research Centre, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
2. Clinical Epidemiology and Biostatistics, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
3. Wageningen Bioveterinary Research, Wageningen University and Research, Lelystad, The Netherlands
4. BioGaia AB, Stockholm and Lund, Sweden
5. Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
6. Department of Epidemiology and Public Health, University College London, London, UK