Choi, Sung Hoon
Sung, Chang-ho
Heo, Dong Ryul
Jeong, Soo-Young http://orcid.org/0000-0002-4513-0461
Kang, Chang-Nam
Article History
Received: 17 June 2019
Revised: 25 August 2019
Accepted: 31 August 2019
First Online: 16 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved according to the standards of the Hanyang University Hospital institutional review board (HYUH 2018–06–037).