Lee, Chung Hun
Choi, Sang Sik http://orcid.org/0000-0002-0260-9886
Lee, Mi Kyoung
Lee, Yeon Joo
Park, Jong Sun
Article History
Received: 30 August 2019
Accepted: 22 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: The present study was conducted after approval by the Korea University Institutional Review Board Committee (IRB No: 2019GR0073; March 11, 2019; Chairman: prof. Suk Joo Hong).
: Not applicable.
: The authors declare that they have no competing interests.