- Correspondence to Dr John You, Departments of Medicine, and Clinical Epidemiology and Biostatistics, McMaster University Medical Centre, 1280 Main Street West, Room HSC-2C8, Hamilton, Ontario, Canada L8S 4K1;
- Received January 9, 2016
- Revised May 5, 2016
- Accepted July 3, 2016
- First published July 22, 2016.
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.