Funding for this research was provided by:
Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu
Text and Data Mining valid from 2018-12-01
Received: 26 July 2018
Accepted: 27 November 2018
First Online: 12 December 2018
Ethics approval and consent to participate
: The study was conducted in accordance with the tenets of the Declaration of Helsinki and the Association for Research in Vision and Ophthalmology (ARVO) statement on human subjects. Written informed consent was obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interests.
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