- Correspondence to Dr Ho-Kyung Choung, Department of Ophthalmology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul 156-707, Korea;
- Received April 11, 2017
- Revised August 4, 2017
- Accepted August 21, 2017
- First published September 28, 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.