1. Department of Biological Sciences, Quaid I Azam University, Islamabad, Pakistan
2. Department of Economics, Finance and Statistics, JIBS, Jönköping University, Jönköping, Sweden
3. Department of Community Medicine, Wah Medical College, National University of Medical Sciences, Rawalpindi, Pakistan
4. Department of Statistics, Quaid-I-Azam University, Islamabad, Pakistan
5. Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China
6. Department of Basic Sciences, College of Science and Theoretical Studies, Saudi Electronic University, Riyadh, Kingdom of Saudi Arabia