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Article History

Received: 3 April 2020

Revised: 25 May 2020

Accepted: 1 June 2020

First Online: 10 June 2020

Compliance with ethical standards

:

: The authors declare that they have no conflict of interest.

: The study was approved by the institutional review board of Kim’s Eye Hospital (Seoul, South Korea). This study was conducted in accordance with the tenets of the Declaration of Helsinki.

: Informed consent was not obtained in this study. Identifying information about participants was not presented in this study.

: The sponsor had no role in the design or conduct of this research