1. Wuchang University of Technology , Wuhan , China
2. Department of Computer Science and Engineering, European University Cyprus , Nicosia , Cyprus
3. CIICESI-ESTG, Politecnico do Porto , 4610-156 Felgueiras , Portugal
4. Romanian-American University , Bucharest , Romania
5. Department of Mathematics, Faculty of Basic Science, Bu-Ali Sina University , Hamedan , Iran
6. Jabalia Camp, United Nations Relief and Works Agency (UNRWA), Palestinian Refugee Camp , Gaza Strip Jabalya , State of Palestine
7. Department of Mathematics, Faculty of Technical and Natural Science, University “Ismail Qemali” , 9400 Vlora , Albania