1. School of Engineering and Technology, Hue University,Vietnam
2. University of Engineering and Technology, Vietnam National University,Hanoi,Vietnam
3. University of California,Irvine,USA
4. Southern Methodist University,Department of Electrical and Computer Engineering,Dallas,USA
5. National Chung Cheng University,Department of Mechanical Engineering,Chia-Yi,Taiwan, ROC
6. University of Science, Vietnam National University,Hanoi,Vietnam