1. Department of Statistics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
2. Department of Statistics, Government College University Faisalabad, Faisalabad, Pakistan
3. School of Mathematical Sciences, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
4. College of Statistical and Actuarial Sciences, University of the Punjab, Lahore, Pakistan
5. Department of Statistics, Government College University, Lahore, Pakistan
6. Department of Industrial and Management Engineering, POSTECH, Pohang, Republic of Korea