Authors
T. Zlatanova
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
M. Djuglarska
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
N. A. Popov
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
D. Shtereva-Tzоuni
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
Ts. Petrova-Gotova
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
R. Yaneva
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
E. Naseva
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
M. Lazarova
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
Ts. Stoyanova
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria
N. N. Popov
Faculty of Public Health “Prof. Tzekomir Vodenicharov, MD, DSc”, Medical University – Sofia, Bulgaria