1. The Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410000, P. R. China
2. Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
3. Furong Laboratory, Changsha 410083, China
4. National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Changsha, Hunan Province 410083, P. R. China