1. Department of Community and Family Medicine, University of Toronto, Toronto, Canada
2. School of Health Sciences, Mount Kenya University, Kigali, Rwanda
3. Department of Paediatrics, Schulich School of Medicine & Dentistry, Western University, London, Canada
4. Department of Pathology and Laboratory Medicine, Schulich School of Medicine & Dentistry, Western University, London, Canada
5. Department of Pathology and Laboratory Medicine, London Health Sciences Centre, London, Canada