1. KLATASDS-MOE, School of Statistics, East China Normal University, Shanghai, China
2. Department of Statistics, Government Ambala Muslim Graduate College, Sargodha, Pakistan
3. Department of Statistics, University of Sargodha, Sargodha, Pakistan
4. Statistics Program, Department of Mathematics, Statistics and Physics, College of Arts and Science, Qatar University, Doha, Qatar
5. Statistical Consulting Unit, College of Arts and Science, Qatar University, Doha, Qatar
6. Department of Mathematics, KFUPM, Dhahran, Saudi Arabia