1. School of Science, Harbin Institute of Technology, Harbin, PR China + City university of Hong Kong, College of Science and Engineering, Kowloon, Hong Kong
2. Harbin Institute of Technology, School of Science, Harbin, PR China
3. Harbin Engineering University, College of Science, Harbin, PR China
4. Harbin Engineering University, College of Science, Harbin, PR China + Harbin Engineering University, College of Automation, Harbin, PR China