:
Acad. Prof. Drozdstoy Stoyanov, MD, PhD, DSc (editor) Assoc. Prof. Sevdalina Kandilarova, MD, PhD (editor) Andriana Kakanakova, MD, PhD Asen Beshkov, MD Assoc. Prof. Zlatoslav Arabadzhiev, MD, PhD Demitra Gospodinova Ivo Mitrev, MD, PhD Mladen Mantarkov,
