Chung, Sang Wan http://orcid.org/0000-0002-3449-696X
Park, Eun Hye http://orcid.org/0000-0002-6813-4182
Kang, Eun Ha http://orcid.org/0000-0001-9697-1159
Lee, Yun Jong http://orcid.org/0000-0001-7615-8611
Ha, You-Jung http://orcid.org/0000-0001-6107-9523
Article History
Received: 1 November 2019
Accepted: 28 January 2020
First Online: 8 February 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest (COI disclosure with author-identifying information on separate title page).
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from a patient included in the study.