Funding for this research was provided by:
European Union (BG-RRP-2.004-0008-C01)
Scientific Fund of Sofia University (80-10-138/17.04.2024)
European Union (BG-RRP-2.004-0008-C01)
Article History
Received: 23 December 2024
Accepted: 28 January 2026
First Online: 23 February 2026