1. Research Unit for General Medicine and Primary Health Care, Faculty of Medicine, School of Health Sciences University of Ioannina Ioannina Greece
2. Department of Nursing, School of Health Sciences University of Ioannina Ioannina Greece
3. SOS Children s Villages Greece Athens Greece
4. BIOSTATS Epirus Science and Technology Park Campus of the University of Ioannina Ioannina Greece
5. Department of Hygiene and Epidemiology, Faculty of Medicine, School of Health Sciences University of Ioannina Ioannina Greece
6. Department of Health Services, Policy and Practice, School of Public Health, Center for Evidence‐Based Medicine Brown University Providence Rhode Island USA
7. Faculty of Medicine University of Ioannina Ioannina Greece