Vladov, Nikola
Kostadinov, Radoslav http://orcid.org/0000-0002-8581-4390
Mihaylov, Vassil
Takorov, Ivelin
Lukanova, Tsonka
Yakova, Maria
Trichkov, Tsvetan
Odisseeva, Evelina
Mutafchiyski, Ventsislav
Article History
Accepted: 12 February 2021
First Online: 16 March 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: Ethical approval was waived by the local Ethics Committee of Military Medical Academy—Sofia given the retrospective nature of the study and all the procedures being performed were part of the routine care.
: Informed consent was obtained from all individual participants included in the study.