Son, Wookon
Park, Chankue http://orcid.org/0000-0003-2937-114X
Jeong, Hee Seok
Song, You Seon
Lee, In Sook
Article History
Received: 22 August 2019
Revised: 27 September 2019
Accepted: 16 October 2019
First Online: 10 December 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Chankue Park.
: 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 (Chankue Park) 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