Nadia Daskalova, https://orcid.org/0000-0002-3314-3935
Penko Spetsov, https://orcid.org/0000-0002-3110-4676
Article History
Received: 26 March 2025
Revised: 25 June 2025
Accepted: 30 June 2025
First Online: 21 September 2025
ETHICS APPROVAL AND CONSENT TO PARTICIPATE
: This work does not contain any studies involving human and animal subjects.
: The authors of this work declare that they have no conflicts of interest.