Kim, Tae Hoon
Kim, Seok-hyung
Kim, Tae Yeon
Park, Hae Yeul
Jung, Kwon Soo
Lee, Moon Hyoung
Jhee, Jong Hyun
Lee, Jung Eun
Choi, Hoon Young
Park, Hyeong Cheon http://orcid.org/0000-0002-1550-0812
Article History
Received: 21 September 2019
Accepted: 20 December 2019
First Online: 31 December 2019
Ethics approval and consent to participate
: This study was performed in accordance with the Declaration of Helsinki. It has been approved by the institutional review board (IRB) of the Gangnam Severance Hospital and the CRIS (Clinical Research Information Service), a non-profit registration system to secure ethics of clinical trials in Korea. Full written informed consent has been obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.