Baik, Seo Yeon
Kim, Hyunah
Yang, So Jung
Kim, Tong Min
Lee, Seung-Hwan
Cho, Jae Hyoung
Lee, Hyunyong
Yim, Hyeon Woo
Yoon, Kun-Ho
Kim, Hun-Sung
Article History
Received: 2 October 2017
Accepted: 15 June 2018
First Online: 27 November 2018
Compliance with ethics guidelines
: Seo Yeon Baik, Hyunah Kim, So Jung Yang, Tong Min Kim, Seung-Hwan Lee, Jae Hyoung Cho, Hyunyong Lee, HyeonWoo Yim, Kun-Ho Yoon, and Hun-Sung Kim declare they have no conflicts of interests. All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the <i>Helsinki Declaration</i> of 1975, as revised in 2000. This research was also approved by the International Review Board of Seoul St. Mary’s Hospital (KIRB-00465-005). Written informed consent was obtained from all patients included in the study.