Zamfirov, Milen https://orcid.org/0000-0003-2231-015X
Bakracheva, Margarita https://orcid.org/0000-0002-2939-3288
Damyanov, Kaloyan https://orcid.org/0000-0002-7005-5811
Belenska-Todorova, Lyudmila https://orcid.org/0000-0002-3613-548X
Daskalova-Petkova, Polina https://orcid.org/0000-0002-2803-5032