Article History
Received: 1 March 2017
Accepted: 13 June 2017
First Online: 21 July 2017
Competing interests
: PD is a consultant to Alcon, Genentech, Novartis Pharma AG, and Ophthotech. AL has received travel support from Bayer and attended advisory boards for Novartis and Bayer. AF and FM are employees of Novartis. RG is an employee of QuintilesIMS. QuintilesIMS received funding from Novartis to conduct the study.