1. Department of Neurosurgery, Medical School of Nankai University, Tianjin 300071, China
2. Department of Neurosurgery, PLA General Hospital, Beijing 100853, China
3. Department of Neurosurgery, Air Force Medical Center, Beijing 100142, China
4. Physics Department and CSCU Center for Nanotechnology, Southern Connecticut State University, New Haven, CT 06515, USA
5. JRME Co., Ltd., Taizhou 225300, China
6. Institute of Physics, Chinese Academy of Sciences (CAS), Beijing 100190, China
7. Institute for Ultrafast Spectroscopy and Lasers, Department of Physics, The City College of the City University of New York, New York, NY 10031, USA