Lee, Dong Ah
Lee, Ho-Joon
Kim, Hyung Chan
Park, Kang Min
Article History
Received: 30 May 2021
Accepted: 17 August 2021
First Online: 27 August 2021
Declarations
:
: This retrospective chart review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This protocol was approved and carried out in accordance with the recommendation of the local Institutional Review Board (Haeundae Paik hospital, Busan, Korea, HPIRB 2020-08-009-002). Written informed consent for participation was not required for this study in accordance with the national legislation and the institutional requirements.
: None.
: Neither of the authors has any conflict of interest to disclose.