1. Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom
2. Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
3. Department of Pediatrics, College of Medicine, Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia
4. Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
5. Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada
6. Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
7. Department of Animal Science, University of Manitoba, Winnipeg, Manitoba, Canada
8. Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
9. Department of Medicine, McMaster University, Hamilton, Ontario, Canada
10. Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
11. Epidemiology Division, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada