1 School of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China.
2 Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Kaifu District, Changsha, Hunan, China.
3 National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
4 Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Kaifu District, Changsha, Hunan, China. shuangxy@csu.edu.cn.
5 National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. shuangxy@csu.edu.cn.
6 School of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China. zeyuchen@csu.edu.cn.
7 Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Kaifu District, Changsha, Hunan, China. zeyuchen@csu.edu.cn.
8 National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. zeyuchen@csu.edu.cn.