Oh, Hyun Jin
Lim, Chul-Hyun
Yoon, Seung Bae
Lee, Han Hee
Kim, Jin Su
Cho, Yu Kyung
Park, Jae Myung
Choi, Myung-Gyu
Article History
Received: 8 December 2017
Accepted: 11 May 2018
First Online: 14 May 2018
Compliance with ethical standards
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions.
: The authors declared that they have no conflict of interest.