Park, Sung Yoon
Park, Byung Kwan http://orcid.org/0000-0002-4114-8859
Article History
Received: 19 June 2019
Accepted: 20 August 2019
First Online: 29 August 2019
Compliance with ethical standards
:
: None of the authors have conflict of interest to report.
: This study was retrospectively performed on human participants but not animals.
: This retrospective study was approved by our IRB and the approval number is 2018-12-069-001. Informed consent was waived.