1. Florida A&M University,Department of Computer and Information Sciences,Tallahassee,FL,USA,32307
2. Florida State University,Department of Computer Science,Tallahassee,FL,USA,32306
3. Arkansas State University,Department of Computer Science,Jonesboro,AR,USA,72401
4. School of Control and Computer Engineering, North China Electric Power University,Beijing,China
5. School of Automation, Beijing Information Science & Technology University,Beijing,China