1. Department of Gynecology, Obstetrics & Reproductive Health, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
2. Department of Pathobiology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
3. International Centre for Diarrheal Disease Research, Bangladesh (ICDDR’B), Mohakhali, Bangladesh