- Correspondence to Professor Tim U Krohne, Department of Ophthalmology, University of Cologne, Kerpener Str. 62, 50937 Cologne, Germany;
- Received May 23, 2020
- Revised August 11, 2020
- Accepted August 19, 2020
- First published September 28, 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.