Yu, Jeeyoon
Chung, Yoohyun
Lee, Jung Eum
Suh, Dae Hun
Wie, Jeong Ha
Ko, Hyun Sun http://orcid.org/0000-0001-6310-6206
Park, In Yang
Shin, Jong Chul
Article History
Received: 24 October 2018
Accepted: 2 May 2019
First Online: 24 May 2019
Ethics approval and consent to participate
: We obtained ethical approval from the Seoul St. Mary’s Hospital institutional review boards (IRB) of the Catholic University of Korea (KC17QESI0799) and informed consent was waived by IRB.
: Not applicable
: The authors declare that they have no competing interests.
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