Chakarova, Nevena http://orcid.org/0000-0001-7606-5060
Dimova, Rumyana
Serdarova, Mina
Grozeva, Greta
Kuncheva, Maria
Kamenov, Lubomir
Tankova, Tsvetalina
Funding for this research was provided by:
Medical University Sofia (D-113/2018.)
Article History
Received: 28 February 2020
Accepted: 18 June 2020
First Online: 27 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.