Kim, Kwang Yeon
Kim, Tae Hyeong
Seong, Moon-Woo
Park, Sung Sup
Moon, Jin Soo
Ko, Jae Sung
Article History
Received: 13 December 2019
Accepted: 27 July 2020
First Online: 5 August 2020
Ethics approval and consent to participate
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the Institutional Review Board of Seoul National University Hospital (IRB No. 1806-154-953) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was waived by the IRB because the clinical data were obtained retrospectively.
: Not Applicable.
: The authors declare that they have no competing interests.