1. Department of Public Health, Northern University Bangladesh, Dhaka, Bangladesh;
2. Department of Statistics, University of Rajshahi, Rajshahi, Bangladesh;
3. Department of Statistics, Eden Mohila College, Dhaka, Bangladesh;
4. Nutrition and Clinical Sciences Division (NCSD), International Centre for Diarrhoea Disease Research, Bangladesh, Dhaka, Bangladesh;
5. Department of Public Health, Independent University Bangladesh, Dhaka, Bangladesh