1. Department of Laboratory Medicine and Pathology University of Alberta Edmonton Alberta Canada
2. Public Health Laboratory, Alberta Precision Laboratories Edmonton Alberta Canada
3. Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine, Alberta Children's Hospital and Alberta Children's Hospital Research Institute, Cumming School of Medicine University of Calgary Calgary Alberta Canada
4. Li Ka Shing Institute of Virology University of Alberta Edmonton Alberta Canada
5. Women and Children's Health Research Institute University of Alberta Edmonton Alberta Canada
6. School of Public Health University of Alberta Edmonton Alberta Canada
7. Centre for Communicable Diseases and Infection Control Public Health Agency of Canada Ottawa Ontario Canada
8. Division of Environmental Health Sciences, School of Public Health University of Minnesota Minneapolis Minnesota USA
9. Department of Pediatrics, Faculty of Medicine & Dentistry University of Alberta Edmonton Alberta Canada