1 Centre for Ethnic Health Research, Diabetes Research Centre, University of Leicester, Leicester, United Kingdom. Electronic address: sbp16@leicester.ac.uk.
2 Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Manitoba, Canada.
3 Department of Pediatrics, McGill University, Montréal, Québec, Canada.
4 Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montréal, Québec, Canada.