1. Department of Population Sciences, Jatiya Kabi Kazi Nazrul Islam University, Trishal, Mymensingh-2220, Bangladesh.
2. Department of Public Health, La Trobe University, Melbourne, Australia.
3. Department of Sociology, University of Rajshahi, Rajshahi, Bangladesh.
4. Department of Population Science and Human Resource Development, University of Rajshahi, Rajshahi, Bangladesh.