Kim, Hyun Joo
Lee, Reeree
Choi, Hongyoon
Paeng, Jin Chul
Cheon, Gi Jeong
Lee, Dong Soo
Chung, June-Key
Kang, Keon Wook
Article History
Received: 25 July 2018
Revised: 13 August 2018
Accepted: 16 August 2018
First Online: 30 August 2018
Compliance with Ethical Standards
:
: Hyun Joo Kim, Reeree Lee, Hongyoon Choi, Jin Chul Paeng, Gi Jeong Cheon, Dong Soo Lee, June-Key Chung, and Keon Wook Kang declare that they have no conflict of interest.
: All procedures followed were performed in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1975, as revised in 2013.
: The study design of the retrospective analysis and exemption of informed consent were approved by the Institutional Review Board of the Seoul National University Hospital (H-1703-108-840). This manuscript has not been published before or is not under consideration for publication anywhere else and has been approved by all co-authors.