1. Anhui University,School of Computer Science and Technology,Hefei,China
2. Hefei University of Technology,School of Microelectronics,Hefei,China
3. Gachon University,Department of Computer Engineering,Seongnam,Korea
4. Ajou University,Department of Software and Computer Engineering,Suwon,Korea
5. Kyushu Institute of Technology,Department of Computer Science and Networks,Fukuoka,Japan