Ferede, Melkamu Molla
Nakhaei Rad, Najmeh
Chen, Ding-Geng
Article History
Received: 26 March 2025
Accepted: 12 August 2025
First Online: 2 September 2025
Declarations
:
: This study received ethical clearance from the Institutional Ethical Review Board of the University of Gondar (IRBUoG), Ethiopia (Ref. VP/RTT/05/777/2022). Given the retrospective nature of the study, which utilized anonymized secondary data from medical records without direct patient involvement, the IRBUoG waived the requirement for individual informed consent. All methods in this study were conducted in adherence to all applicable ethical guidelines and regulatory standards (including the Helsinki Declaration), with a primary emphasis on methodological advancement.
: Not applicable.
: The authors declare no competing interests.