- Correspondence to Dr David Hammond, School of Public Health & Health Systems, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, Canada N2L 3G1;
- Received 21 March 2016
- Revised 5 August 2016
- Accepted 10 August 2016
- Published online 21 March 2017.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.