1. University Hospital Centre Zagreb Zagreb Croatia
2. University of Applied Health Sciences Zagreb Croatia
3. University Hospital Centre Rijeka Rijeka Croatia
4. Faculty of Medicine Department of Nursing and Midwifery University of Ostrava Ostrava Czech Republic
5. Teaching Institute of Public Health Andrija Stampar Zagreb Croatia
6. University Hospital Sveti Duh Zagreb Croatia
7. University Hospital Centre Sestre milosrdnice Zagreb Croatia
8. University Hospital Dubrava Zagreb Croatia