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Authors
Choi, Sunju
Kwon, Hye Ryeong
Cho, Hee Young
Pahk, Kisoo
Lee, Sung-Ho
Chung, Jae-Ho
Kwon, Hyun Woo https://orcid.org/0000-0002-0597-837X
Kim, Sungeun
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Article History
Received: 15 August 2018
Revised: 17 October 2018
Accepted: 26 October 2018
First Online: 7 November 2018
Compliance with Ethical Standards
:
: Sunju Choi, Hye Ryeong Kwon, Hee Young Cho, Kisoo Pahk, Sung-Ho Lee, Jae-Ho Chung, Hyun Woo Kwon, and Sungeun Kim declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1975, as revised in 2000.
: The institutional review board of our institute approved this retrospective study, and the requirement to obtain informed consent was waived.
