Kim, Si Hyun
Yang, Hee Jo
Kim, Doo Sang
Lee, Chang Ho
Jeon, Youn Soo
Kim, Ki Hong
Article History
Received: 26 October 2020
Accepted: 14 January 2021
First Online: 4 February 2021
Ethics approval and consent to participate
: This study was performed at the Department of Urology, Soonchunhyang University Cheonan Hospital, Republic of Korea. This research involving human participants was performed in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration. Soonchunhyang university institutional review board approved this study (No. 2018-08-021). All patients were provided written informed consent and agreed that their information would be used for this retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.