Choi, Eun-Seok http://orcid.org/0000-0003-2874-6675
Sim, Jae Ang
Na, Young Gon
Seon, Jong- Keun
Shin, Hyun Dae
Funding for this research was provided by:
Ministry of Education (NRF-2019R1C1C100396712)
Article History
Received: 16 September 2020
Accepted: 10 December 2020
First Online: 15 January 2021
Compliance with ethical standards
:
: All the authors have no affiliation with or involvement in any organisation or entity with any financial interest, or non-financial interest in the subject matter or materials discussed in this manuscript.
: This retrospective study was approved by our institutional review board and the procedures used in this study adheres to the tenets of the Declaration of Helsinki.
: Informed patient consent was waived by the institutional review board.