- Correspondence to Dr Marten Brelen, Department of Ophthalmology and Visual Sciences, Chinese University of Hong Kong, Hong Kong, Hong Kong;
- Received February 14, 2020
- Revised May 12, 2020
- Accepted May 14, 2020
- First published June 12, 2020.
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.