1. Computer Engineering Department, Shahid Rajaee Teacher Training University, Tehran, Iran
2. Department of Mathematics, Chaudhary Charan Singh University, Meerut 250004, India
3. Department of Computer Science and Engineering, Ajay Kumar Garg Engineering College, Ghaziabad 201009, India
4. Shandong University of Science and Technology, Qingdao, Shandong, China