Lee, Ju-Yeun
Park, Kyung-Ah
Oh, Sei Yeul
Article History
Received: 4 April 2018
Revised: 4 July 2018
Accepted: 23 July 2018
First Online: 30 July 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Institutional Review Board of Samsung Medical Center. All procedures performed in this study were in accordance with the ethical standards of Samsung Medical Center and followed the tenets of the Declaration of Helsinki.
: For this type of study, formal consent is not required.