Lee, Hwang-Rae
Lee, Kyujoon
Cho, Jaehun
Choi, Young-Ha
You, Chun-Yeol
Jung, Myung-Hwa
Bonell, Frédéric
Shiota, Yoichi
Miwa, Shinji
Suzuki, Yoshishige
Article History
Received: 1 May 2014
Accepted: 17 September 2014
First Online: 8 October 2014
Competing interests
: The authors declare no competing financial interests.