Yoon, Tae-Hwan
Jung, Min
Choi, Chong-Hyuk
Kim, Hyoung-Sik
Lee, Young-Han
Choi, Yun-Seok
Kim, Sung-Jae
Kim, Sung-Hwan http://orcid.org/0000-0001-5743-6241
Article History
Received: 10 December 2018
Accepted: 17 June 2019
First Online: 25 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Prior to the study, we received approval from our institutional review board (IRB number:4-2012-0618).
: Informed consent was obtained from all patients before their enrollment in the study.