Yun, Cheolmin
Huh, Jungah
Ahn, So Min
Lee, Boram
Kim, Jee Taek
Hwang, Soon-Young
Kim, Seong-Woo
Oh, Jaeryung
Funding for this research was provided by:
Korea University (K1609751)
Article History
Received: 16 May 2018
Revised: 20 September 2018
Accepted: 27 October 2018
First Online: 5 November 2018
Compliance with ethical standards
:
: J.O. is a consultant of Topcon Corporation. Other authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements) or non-financial interest (such as personal or professional relationships, affiliations, knowledge, or beliefs) in the subject matter or materials discussed in this manuscript.
: 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. For this type of study, formal consent is not required.