1. 1Department of Public Health, Faculty of Medicine, Tirana University
2. 2Tirana, Albania, Department of International Health, School for Public Health and Primary Care (CAPHRI), Faculty of Health, Medicine and Life Sciences, University of Maastricht, Maastricht, The Netherlands
3. 3Institute of Statistics (INSTAT)
4. 4Service of Emergency Medicine, University Hospital Centre “Mother Teresa”
5. 5MEASURE Evaluation, University of North Carolina, and International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B) 5