Kostov, Stoyan
Kornovski, Yavor
Slavchev, Stanislav
Ivanova, Yonka
Dzhenkov, Deyan
Dimitrov, Nikolay
Yordanov, Angel
Article History
Accepted: 27 June 2021
First Online: 12 July 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: The article was performed in accordance with the Ethical Principles for Medical Research Involving Human Subjects, outlined in the Declaration of Helsinki of 1975. Informed consents were signed from all operated patients.
: Informed consents were signed antemortem by those participating in the study, stating that they knowingly and willingly donate their bodies to medical education and scientific work.