Article History
Received: 7 February 2019
Revised: 10 April 2019
Accepted: 16 April 2019
First Online: 6 May 2019
Compliance with ethical standards
:
: Author RS has received research grants from Ophthalmos GmbH. Author RS and MCG have intellectual property rights (patents). Author AP declares that she has no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national 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.