1. Department of Statistics, Quaid-i-Azam University, Islamabad, Pakistan
2. National Engineering Research Center of Geographic Information System, School of Geography and Information Engineering, China University of Geosciences (Wuhan), Wuhan, PR China
3. State Key Laboratory of Hydro-Science and Engineering and Department of Hydraulic Engineering, Tsinghua University, Beijing, PR China
4. Faculty of Health Studies, University of Bradford, Bradford, UK
5. Faculty of Health Studies, University of Bradford, BD7 1DP Bradford, UK;
6. Administrative Sciences Department, Community College, King Saud University, Riyadh, Saudi Arabia
7. College of Business Administration, King Saud University Muzahimiyah, Al-Muzahmiyya, Saudi Arabia
8. College of Business Administration, King Saud University Riyadh, Riyadh, Saudi Arabia
9. Arriyadh Community College, King Saud University, Riyadh, Saudi Arabia
10. KSA Workers University, Nsar, Egypt
11. Administrative Sciences Department, Arriyadh Community College, King Saud University, Riyadh, Saudi Arabia