Lee, Dong-Hun
Kim, Seong Ryoung
Jang, Sam
Ahn, Kang-Min
Lee, Jee-Ho http://orcid.org/0000-0003-4232-2756
Article History
Received: 29 April 2020
Accepted: 17 June 2020
First Online: 23 June 2020
Ethics approval and consent to participate
: The study was conducted according to the dictates of the Declaration of Helsinki and was approved by the institutional review board of Asan Medical Center, Seoul, Korea (IRB approval No. 2019-1448). Informed consent was waived due to the retrospective nature of the study. All authors had access to the study data and reviewed and approved this study.
: The method of this retrospective case report posed no more than “minimal risks” and that collection of data through noninvasive procedures (not including anesthesia or sedation) routinely employed in clinical practice and research including materials (data, documents, records, or specimens) that have been collected or will be collected solely for nonresearch purposes (such as medical treatment or diagnosis). Therefore, the authors considered that consent for publication could be waived by the IRB.
: The authors declare that they have no competing interests.