Oh, Jin-Chul
Kim, Hyoung-Sik
Lee, Gi-Hoon
Kang, Ho-Jung
Article History
Received: 5 December 2019
First Online: 5 March 2020
Compliance with ethical standards
:
: Jin-Chul Oh, Hyoung-Sik Kim, Gi-Hoon Lee, and Ho-Jung Kang 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 and/or national research committee (Yonsei University Gangnam Severance Hospital, reference number 3-2019-0158) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from the participant included in the study.