1. University of Toronto Department of Statistical Sciences, , 700 University Avenue, 9th Floor Toronto, ON M5G 1Z5, Canada
2. St. Michael’s Hospital Centre for Global Health Research, , 30 Bond Street, Toronto, ON M5B 1W8, Canada
3. University of British Columbia Department of Statistics, , 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada
4. University of Toronto, 700 University Avenue Department of Statistical Sciences, , 9th Floor Toronto, ON M5G 1Z5, Canada
5. University of Toronto Centre for Global Health Research, St. Michael’s Hospital, 30 Bond Street, Toronto, ON M5B 1W8, Canada and Department of Statistical Sciences, , 700 University Avenue, 9th Floor Toronto, ON M5G 1Z5, Canada