1. Department of Population Science and Human Resource Development; University of Rajshahi; Rajshahi Bangladesh
2. Department of Public Health; Faculty of Health Science; First Capital University of Bangladesh; Chuadanga Bangladesh
3. Department of Public Health Medicine; School of Public Health; Bielefeld University; Bielefeld Germany
4. Department of Public Health College of Applied Medical Sciences; King Faisal University Hofuf; Saudi Arabia
5. Faculty of Health; Federation University Australia; Ballarat Australia
6. Department of Health Sciences; Faculty of Medicine; Lund University; Lund Sweden