1. Mathematics and Computer Science Department, Faculty of Science, Beni-Suef University, Beni Suef 62511, Egypt
2. Information & Computing Lab, atlanTTic Research Center, Telecommunication Engineering School, Universidade de Vigo, 36310 Vigo, Spain
3. Computer Science Department, Faculty of Computers and Artificial Intelligence, Beni-Suef University, Beni Suef 62511, Egypt
4. Periodontology and Oral Diagnosis, Faculty of Oral and Dental Medicine, Ain Shams University, Cairo 11511, Egypt