1. Department of Dermatology Xiangya Hospital Central South University Changsha 410008 China
2. National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology Changsha 410008 China
3. State Key Laboratory of High Performance Complex Manufacturing College of Mechanical and Electrical Engineering Central South University Changsha 410083 China
4. College of Chemistry and Chemical Engineering Hunan University Changsha 410082 China