1. College of Computer and Information Sciences, Jouf University,Sakaka,Saudi Arabia,72388
2. COMSATS University Islamabad,Department of Computer Science,Islamabad,Pakistan
3. University of the Philippines Open University,Faculty of Information and Communication Studies,Los Baños,Philippines,4031
4. College of Computing and Information Technologies, National University,Manila,Philippines
5. Zhongda Group,Jiaxing City,Zhejiang Province,China,314312