Kim, Seong Hwan
Ahn, JungTae
Kim, Tae Wook
Kim, Kang-Il
Lee, Sang Hak https://orcid.org/0000-0002-6711-6361
Article History
Received: 7 August 2018
Accepted: 23 October 2018
First Online: 7 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This is approved by the institutional review board of Kyung Hee University Hospital at Gangdong (Institutional Review Board/protocol number, KHNMC2013-01-047.) and was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.