1. Institute of Engineering Medicine, Beijing Institute of Technology, Beijing 100081, P. R. China
2. Department of Laser Medicine, The First Medical Centre, Chinese PLA General Hospital, Beijing 100853, P. R. China
3. Medical School of Chinese PLA, Beijing 100853, P. R. China
4. Precision Laser Medical Diagnosis and Treatment Innovation Unit, Chinese Academy of Medical Sciences, Beijing 100000, P. R. China