Do, Hui Jae
Seo, Han Gil http://orcid.org/0000-0001-6904-7542
Lee, Hyun Haeng
Oh, Byung-Mo
Kim, Yoon
Kim, Aryun
Kim, Han-Joon
Jeon, Beomseok
Han, Tai Ryoon
Article History
Received: 29 December 2017
Accepted: 23 February 2019
First Online: 9 March 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the Helsinki declaration and its later amendments or comparable ethical standards.
: This study did not need the informed consent because it was a retrospective study with ethical approval.