Gwak, Gyeong-tae
Hwang, Ui-jae
Jung, Sung-hoon
Kim, Hyun-a
Kim, Jun-hee
Kwon, Oh-yun http://orcid.org/0000-0002-9699-768X
Article History
Received: 29 June 2019
Accepted: 20 November 2019
First Online: 1 December 2019
Ethics approval and consent to participate
: The experimental protocol was established according to the ethical guidelines of the Helsinki Declaration and was approved by the Institutional Review Board of Yonsei University Wonju Institutional Review Board. Written informed consent was obtained from all participants.
: The authors have received written consent from participants to publish individual data.
: The authors declare that they have no competing interests.