Mihaylova Vanina Krasteva (PhD, Assoc. Prof. Department of Preventive Medicine, Faculty of Public Health, Sofia; Chief assistant, Department of Healthcare Management, Faculty of Public Health, Medical University, Plovdiv, Bulgaria)
Shopov Dimitar Georgiev (MD, PhD Chief assistant Prof., Department of Social Medicine and Public Health, Faculty of Public Health, Medical University)
Baltov Marin Kostadinov (MD, PhD, Chief assistant Prof. Department of General and Clinical Pathology and Forensic Medicine, Medicine Faculty, Medical University, Plovdiv, Bulgaria)
Liochkova Mariana Ivanova (MD, PhD, Assoc. Prof. Department of Healthcare Management, Faculty of Public Health, Medical University, Plovdiv, Bulgaria)
Alakidi Adolf (Medical student in fifth year, Medicine Faculty, Medical University. Sofia, Bulgaria)