1. Department of Statistics Shahjalal University of Science and Technology Sylhet Bangladesh
2. School of Mathematics and Applied Statistics University of Wollongong Wollongong Australia
3. Department of Quantitative Economics Maastricht University Maastricht The Netherlands
4. Statistical Consulting Unit & School of Finance, Actuarial Studies and Statistics Australian National University Canberra Australia
5. School of Fundamental Sciences & Centre for Public Health Research Massey University Palmerston North New Zealand