Authors
E. Naseva
Faculty of Public Health “Prof. Tsekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
Medical Faculty, Sofia University “St. Kliment Ohridski” – Sofia, Bulgaria
M. Baev
Astra Forum Foundation, Sofia, Bulgaria
New Bulgarian University – Sofia, Bulgaria
G. Baev
National Military University “Vasil Levski” – Veliko Tarnovo, Bulgaria
G. Stoilchev
New Bulgarian University – Sofia, Bulgaria
D. Shtereva-Tzouni
Faculty of Public Health “Prof. Tsekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
