Nedyalkov, Nedko https://orcid.org/0000-0003-4586-3224
Vergilov, Vladislav https://orcid.org/0000-0002-7464-2263
Zlatkov, Boyan https://orcid.org/0000-0002-5704-1634
Funding for this research was provided by:
National Science Fund of the Republic of Bulgaria (КП-06-М21-8/18.12.2018)
Article History
Received: 5 December 2020
Accepted: 10 March 2021
First Online: 23 March 2021
Declarations
:
: The authors have no conflicts of interest to declare that are relevant to the content of this article.
: This article does not contain any studies with human participants or living animals performed by any of the authors. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.
: Not applicable.
: All authors agree to publish the results of the study. The article has not been published before and is not being considered for publication elsewhere.