Song, Sung Eun
Seo, Bo Kyoung
Cho, Kyu Ran
Woo, Ok Hee
Park, Eun Kyung
Cha, Jaehyung
Han, Seungju
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2017R1A2B4010178)
Article History
Received: 16 December 2019
Accepted: 14 April 2020
First Online: 28 April 2020
Ethics approval and consent to participate
: This retrospective study was approved by institutional review board of the hospital (IRB No.2017AS0037).
: Written informed consent was obtained from each patient.
: The authors declare that they have no competing interests.