Article History
Received: 19 April 2020
Accepted: 21 December 2020
First Online: 13 January 2021
Ethics approval and consent to participate
: The Institutional Review Board of Taipei City Hospital approved this study (TCHIRB-10506107-E). Patients agreed to receive regular follow-up by informed consent and described in ‘Methods’ section.
: In consideration of the Editors of BMC Urology taking action in reviewing and editing this manuscript, the authors undersigned hereby transfer, assign or otherwise convey all copyright ownership to BMC Urology in the event that such work is published in this journal.
: No conflict of interest.