- Correspondence to Dr Rebecca Rewbury, Ophthalmology Department, Cheltenham General Hospital, Sandford Road, Cheltenham, GL53 7AN, UK;
- Received 5 December 2016
- Revised 19 February 2017
- Accepted 23 February 2017
- Published in print 23 March 2017.
- Published online 10 April 2017.
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