,
Jo, Jae-Cheol https://orcid.org/0000-0001-6014-7977
Kim, Seok Jin
Lee, Ho Sup
Eom, Hyeon-Seok
Lee, Soon Il
Park, Yong
Lee, Jeong-Ok
Lee, Yoojin
Yhim, Ho-Young
Yang, Deok-Hwan
Byun, Ja Min
Kang, Hye Jin
Kim, Hyo Jung
Shin, Ho-Jin
Yoo, Kwai Han
Suh, Cheolwon
Article History
Received: 3 June 2019
Accepted: 15 September 2019
First Online: 18 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the institutional review board (IRB approval number: 2016-11-024) of Ulsan University Hospital and conducted in full compliance with good clinical practice as defined under Ministry of Food and Drug Safety regulations and the International Conference on Harmonization (ICH) guidelines. This study was a retrospective study using only patient hospital information, and, as such, it was granted IRB approval for exemption with regard to informed consent. For this type of study, formal consent is not required.