1. Department of Statistics, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
2. Department of Computer Science, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
3. Department of Statistics, Stockholm University, Stockholm, Sweden
4. Division of Science and Technology, University of Education, Lahore, Pakistan
5. Department of Economics, Finance and Statistics, JIBS, Jönköping University, Jönköping, Sweden