1. Department of Anesthesiology and Reanimatology , Clinical Centre “Kragujevac” , Kragujevac , Serbia
2. Department of Clinical Pharmacology, Clinical Centre “Kragujevac”, Faculty of Medical Sciences , University of Kragujevac , Kragujevac , Serbia
3. Department of Physiology, Faculty of Medical Sciences , University of Kragujevac , Kragujevac , Serbia
4. Department of Human Pathology , 1st Moscow State Medical University IM Sechenov , Moscow , Russia
5. Departement of Anesthesiology and Reanimatology , Clinical Centre „Nis “ , Nis , Serbia