- Correspondence to Dr Smita Sinha, Population Health Research Institute, DBCVSRI, 237 Barton St E, McMaster University, Hamilton, Ontario L8L 2X2, Canada;
- Accepted 12 January 2017
- Published in print 6 March 2017.
- Published online 4 March 2017.
- Published first 3 February 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.