1. Pharmacy Institution of Kragujevac , Kragujevac , Serbia
2. Faculty of Stomatology, Pancevo , Srbija
3. University of Business Academy in Novi Sad , Serbia
4. Centre for Clinical Pharmacology, Military Medical Academy; Faculty of Medicine of the Military Medical Academy , University of Defence , Belgrade , Serbia
5. Public Health-Education Institution, Health center Tuzla „Dr Mustafa Šehović” , Tuzla , Bosnia and Herzegovina
6. University of Kragujevac , Faculty of Medical Sciences, Department of Pharmacy , Kragujevac , Serbia
7. Institute for Rehabilitation , Belgrade , Serbia