Consultant Ophthalmologist
Sunderland Eye Infirmary
Sunderland
UK
JS declares that he has received travel and meeting costs from Novartis and Bayer.
Consultant Ophthalmologist
Sunderland Eye Infirmary
Sunderland
UK
WA declares that she has no competing interests.
The authors would like to gratefully acknowledge the assistance of Ms Karen Bradshaw. KB declares that she has no competing interests.
Associate Professor
Department of Ophthalmology
Nagoya University Graduate School of Medicine
Nagoya
Japan
MN declares that he has no competing interests.
Klara Spinks Fleming Fellow
Jules Stein Eye Institute
UCLA
Los Angeles
CA
EA declares that he has no competing interests.
Emeritus Professor and Chairman
Department of Ophthalmology
University of California
San Francisco
CA
CSH declares that he has no competing interests.
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