Stoynova, Mariya Asenova http://orcid.org/0000-0003-1355-9551
Shinkov, Alexander Dimitrov http://orcid.org/0000-0002-9203-4149
Dimitrova, Inna Dimitrova http://orcid.org/0000-0001-7190-5008
Yankova, Inna Angelova http://orcid.org/0000-0002-0416-4091
Kovatcheva, Roussanka Dimitrova http://orcid.org/0000-0003-1894-8433
Article History
Received: 31 March 2023
Accepted: 26 August 2023
First Online: 12 September 2023
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: The study protocol was approved by the Institutional Ethical Committee (approval number 21A/25.07.2017) and was in accordance with the 1964 Declaration of Helsinki and its later amendments.
: All patients included in the study signed an informed consent.