*Department of Ophthalmology; and

†Sensory Organ Research Center, Dongguk University Ilsan Hospital, Goyang, South Korea.

Address correspondence and reprint requests to Minwook Chang, MD, PhD, Dongguk University Ilsan Hospital, 27, Dongguk-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do, South Korea; E-mail: [email protected]

This study followed the tenets of the Declaration of Helsinki and was approved by the Institutional Review Board of Dongguk University, Ilsan Hospital, Goyang, South Korea (IRB no. 2020-09-009).

Consent for publication is not applicable (no identifying patient data). The informed consent required was waived because of the retrospective nature and the minimal risk of this study

This work was supported by the Dongguk University Resarch Fund of 2018.

The authors report no conflicts of interest.

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