Grancharov, Georgy
Atanasova, Mariya-Desislava
Aluani, Denitsa
Yoncheva, Krassimira
Tzankova, Virginia
Trusheva, Boryana
Forys, Aleksander
Trzebicka, Barbara
Petrov, Petar D.
Funding for this research was provided by:
Bulgarian National Science Fund (DN 09-1/2016, DN 09-1/2016, DN 09-1/2016, DN 09-1/2016, DN 09-1/2016, DN 09-1/2016)
Article History
Received: 26 September 2019
Revised: 15 November 2019
Accepted: 18 November 2019
First Online: 11 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.