1. Software College, Shenyang Normal University, Shenyang, Liaoning, China
2. Telecommunications Department, Federal Fluminense University, RJ, Brazil
3. Faculty of Computing Science and Information Technology, Benazir Bhutto Shaheed University, Lyari Karachi, Pakistan
4. School of Information and Electronics, Beijing Institute of Technology, Beijing, China
5. Nest laboratory, ENSEM, Hassan II University, Casablanca, Morocco