- Correspondence to Dr Vivian T Yin, Eye Care Center, Vancouver General Hospital, 2550 Willow St, Vancouver, BC V5Z 3N9, Canada;
- Received May 8, 2017
- Revised September 16, 2017
- Accepted October 6, 2017
- First published October 21, 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.