1. KLATASDS-MOE, School of Statistics, East China Normal University, Shanghai, People’s Republic of China
2. Department of Statistics, University of Sargodha, Sargodha, Pakistan
3. Statistics Program, Department of Mathematics and Statistics, College of Arts and Sciences, Qatar University, Doha, Qatar
4. Statistical Consulting Unit, College of Arts and Sciences, Qatar University, Doha, Qatar
5. Department of Mathematics, KFUPM, Dhahran, Saudi Arabia