- Correspondence to Ms. Cynthia D Callard, Physicians for a Smoke-Free Canada, Ottawa, Ontario K1S OS9, Canada;
- Received May 21, 2018
- Revised August 23, 2018
- Accepted August 29, 2018
- First published February 15, 2019.
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.