1. Ultrafast Laser Laboratory; College of Precision Instrument and Optoelectronics Engineering; Tianjin University; Tianjin 300072 China
2. Key Laboratory of Microbial Functional Genomics of Ministry of Education; College of Life Sciences; Nankai University; Tianjin 300071 China
3. Department of Mechanical and Automation Engineering; The Chinese University of Hong Kong; Hong Kong
4. School of Life Sciences; The Chinese University of Hong Kong; Hong Kong
5. Med-X Research Institute; School of Biomedical Engineering; Shanghai Jiao Tong University; Shanghai 200030 China