aDepartment of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.
bDepartment of Medicine, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.
qDepartment of Family Medicine, Western University, London, Ontario, Canada.
rThe Africa Institute, Western University, London, Ontario, Canada.
sDepartment of Population Health, Luxembourg Institute of Health, Strassen, Luxembourg.