Kim, Kiyoung
Kim, Eung Suk
Kim, Do Gyun
Yu, Seung-Young
Article History
Received: 23 May 2019
Accepted: 29 July 2019
First Online: 10 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Institutional Review Board of Kyung Hee University Hospital.
: For this type of study, formal consent is not required.