1. Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Hong Kong, China
2. Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, China
3. Department of Physics, Ariel University, Ariel, Israel
4. Department of Chemical Engineering and Biotechnology, Ariel University, Ariel, Israel
5. Shenzhen Research Institute of City University of Hong Kong, Shenzhen 518057, China