1. The University of Auckland,Dept. of Electrical, Computer and Software Engineering,Auckland,New Zealand
2. Tennessee Technological University,Dept. of Electrical and Computer Engineering,Tennessee,USA
3. Chongqing University,Dept. of Electrical, Computer and Software Engineering,Chongqing,China
4. Jiangsu JITRI Advanced Energy Materials Research Institute,Changzhou,China
5. Esslingen University of Applied Science,Dept. of Mechatronics and Electrical Engineering,Esslingen,Germany