1. Department of Statistics, Faculty of Mathematical and Computer Sciences, University of Gezira, Wad Madani, Sudan.
2. Department of Information Systems, College of Computer and Information Sciences, Jouf University, Sakaka, Saudi Arabia.
3. Department of Computer Science, Faculty of Mathematical and Computer Sciences, University of Gezira, Wad Madani, Sudan.
4. Department of Molecular Biology, National Cancer Institute–University of Gezira, Wad Madani, Sudan.