Funding for this research was provided by:
Text and Data Mining valid from 2019-02-13
Received: 9 October 2018
Revised: 9 January 2019
Accepted: 11 January 2019
First Online: 13 February 2019
Compliance with ethical standards
: Herbert Reitsamer has received consulting honoraria from Allergan. Chelvin Sng has received consulting honoraria from Allergan, Glaukos (San Clemente, California), Alcon (Fort Worth, Texas), and Santen Pharmaceuticals (Osaka, Japan). Vanessa Vera has received consulting honoraria from Allergan. Keith Barton has received consulting honoraria from Alcon, Allergan, and Glaukos. Ingeborg Stalmans has received consulting honoraria from Allergan. Markus Lenzhofer declares that he has no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.