1. Air Force General Hospital, PLA, No. 30 Fuchenglu, Haidian District, Beijing 100142, China
2. Institute for Ultrafast Spectroscopy and Lasers, Department of Physics of the City College of the City University of New York, 160 Convent Avenue, New York, New York 10031, USA
3. Physics Department and CSCU Center for Nanotechnology, Southern Connecticut State University, 501 Crescent Street, New Haven, Connecticut 06515, USA
4. The Department of Neurosurgery, PLA General Hospital, 28th Fuxing Road, Beijing 100039, China
5. Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, No. 104 Youyi Lu, Haidian District, Beijing 100094, China
6. Institute of Physics, Chinese Academy of Sciences (CAS), Beijing 100190, China
7. Department of Chemistry, Columbia University, New York, New York 10027, USA