1. Department of Health Care, Faculty of Health, University of Vlora “Ismail Qemali”, L. Pavarësia, 9400 Vlorë, Albania
2. Faculty of Technical Medical Sciences, University of Medicine Tirana, 8RRM+W7X, Rruga e Dibrës, 1001 Tirana, Albania
3. Research Centre for Public Health, Faculty of Health, University of Vlora “Ismail Qemali”, L. Pavarësia, 9400 Vlorë, Albania