1. Shenzhen Institutes of Advanced Technology
2. Chinese Academy of Sciences
3. Shenzhen, P.R. China
4. Department of Mechanical and Aerospace Engineering
5. The Hong Kong University of Science and Technology
6. Hong Kong, P.R. China
7. School of Materials Science and Engineering
8. Georgia Institute of Technology
9. Atlanta, USA
10. Department of Electronics Engineering
11. The Chinese University of Hong Kong