Chung, Hyun Woo
Kim, Jeong Hwan http://orcid.org/0000-0002-2503-2688
Sung, In-Kyung
Lee, Sun-Young
Park, Hyung Seok
Shim, Chan Sup
Bang, Ho Yoon
So, Young
Lee, Eun Jeong
Article History
Received: 15 November 2018
Accepted: 21 December 2018
First Online: 2 January 2019
Compliance with ethical standards
:
: This study was reviewed by the appropriate Ethics Committee and was, therefore, performed in accordance with the ethical standards laid down in the Declaration of Helsinki revised in Brazil 2013.
: This retrospective study was waived from the need to obtain informed consent by our Institutional Review Board (KUH1280106).
: Hyun Woo Chung, Jeong Hwan Kim, In-Kyung Sung, Sun-Young Lee, Hyung Seok Park, Chan Sup Shim, Ho Yoon Bang, Young So, and Eun Jeong Lee declare that they have no conflicts of interest.