Chung, Yeon Woong
Choi, Jun Sub
Shin, Sun Young
Article History
Received: 22 December 2017
Accepted: 22 May 2018
First Online: 30 May 2018
Ethics approval and consent to participate
: Approval to conduct this study was obtained from the Institutional Review Board of the Catholic Medical Center (CMC) (#KC09TISI0365). Ethics, consent, permissions and approval were obtained with written documents by all participants prior to surgery. The methods for securing human tissue complied with the tenets of the Declaration of Helsinki.
: The authors declare that they have no competing interests.
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