Funding for this research was provided by:
National Institutes of Health
University of Toronto
Received: 12 September 2018
Accepted: 18 June 2019
First Online: 9 July 2019
Ethics approval and consent to participate
: Ethics approval for the Million Death Study was obtained from the Post Graduate Institute of Medical Research, St. John’s Research Institute and St. Michael’s Hospital, Toronto, Ontario, Canada. Ethical clearance for health and demographic surveillance in Agincourt was granted by the University of the Witwatersrand’s Committee for Research on Human Subjects (Medical).
: Not applicable.
: The authors declare that they have no competing interests.