1. Department of Computer Science, College of Computing, Applied Network Technology, Khon Kaen University, Khon Kaen, Thailand
2. School of Engineering and Science, Tecnológico de Monterrey, Monterrey, Mexico
3. National Telecommunications Institute—Inatel, Santa Rita do Sapucai, Brazil
4. School of Computer, Information and Communication Engineering, Kunsan National University, Gunsan, South Korea
5. Faculty of Information Technology, Duy Tan University, Da Nang, Vietnam