Tsarkova, Polina
Chakarova, Nevena
Dimova, Rumyana
Grozeva, Greta
Todorova, Ani
Serdarova, Mina
Salkova, Martina
Tankova, Tsvetalina
Article History
Received: 5 August 2021
Accepted: 13 October 2021
First Online: 25 October 2021
Compliance with ethical standards
:
: The authors declare no competing interests.
: All participants signed informed consent for participation in the study in accordance with the Helsinki Declaration and rules of Good Clinical Practice, as the study was approved by the Ethics Committee of the Medical University of Sofia.
: Informed consent was obtained from all individual participants included in the study.
: Patients signed informed consent regarding publishing their data.