Shopska, Maya http://orcid.org/0000-0002-9714-2464
Paneva, Daniela
Kolev, Hristo
Kadinov, Georgi
Briančin, Jaroslav
Fabián, Martin
Kovacheva, Daniela
Cherkezova-Zheleva, Zara
Mitov, Ivan
Funding for this research was provided by:
Bulgarian National Science Fund (T 02/17-2014)
Article History
Received: 4 April 2019
Accepted: 17 May 2019
First Online: 23 May 2019