1. Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine; University of Belgrade; Belgrade Serbia
2. Clinic for Endocrinology, Diabetes and Metabolic Diseases; Clinical Center of Serbia; Dr. Subotica 13 11000 Belgrade Serbia
3. Serbian Academy of Sciences and Arts; Belgrade Serbia
4. Institute of Physiology; University of Tüebingen; Germany
5. Faculty of Medicine; University of Belgrade, Clinical Center Dr. Dragisa Misovic; Belgrade Serbia