1. General County Hospital Požega, Osječka 107, 34 000 Požega, Croatia
2. Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, J. Huttlera 4, 31 000 Osijek, Croatia
3. Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, Crkvena 21, 31 000 Osijek, Croatia
4. General Hospital Pakrac and Hospital of Croatian Veterans, Bolnička 74, 34 550 Pakrac, Croatia
5. The Department of Social Sciences and Humanities, University of Slavonski Brod, 35000 Slavonski Brod, Croatia
6. Department of Integrative Psychiatry, University Hospital Centre Osijek, J. Huttlera 4, 31 000 Osijek, Croatia
7. Faculty of Medicine, University of Rijeka, Ul. Braće Branchetta 20/1, 51 000 Rijeka, Croatia
8. Department of Nursing, University of Applied Sciences Bjelovar, 43 000 Bjelovar, Croatia