1. Andrija Stampar Teaching Institute of Public Health Zagreb Croatia
2. Faculty of Humanities and Social Sciences University of Zagreb Zagreb Croatia
3. University Medical Centre Ljubljana Ljubljana Slovenia
4. Faculty of Medicine, University of Ljubljana Ljubljana Slovenia
5. Clinical Hospital Dubrava Zagreb Croatia
6. Faculty of Pharmacy and Biochemistry, University of Zagreb Zagreb Croatia
7. University Hospital Centre Zagreb Zagreb Croatia
8. Faculty of Medicine Josip Juraj Strossmayer University of Osijek Osijek Croatia