Kim, Cherry
Do, Kyung-Hyun
Cha, Jaehyung
Song, Jin Woo
Lee, Sang Min
Lee, Ki Yeol
Article History
Received: 24 April 2019
Revised: 12 July 2019
Accepted: 7 August 2019
First Online: 30 August 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Kyung-Hyun Do.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: One of the authors has significant statistical expertise.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • Retrospective• Observational• Performed at one institution