Funding for this research was provided by:
Medical University - Varna (19019/2019)
Article History
Received: 22 December 2022
Accepted: 16 March 2023
First Online: 1 April 2023
Declarations
:
: The authors declare that they have no conflict of interest.
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Medical University of Varna (02.04.2020/No. 92).
: Obtained from the included patients in the study.
Free to read: This content has been made available to all.