1 Department of Dermatology, Xiangya Hospital, Central South University, Hu Nan Key Laboratory of Aging Biology, Changsha, China.
2 Department of Dermatology, Xiangya Hospital, Central South University, Hu Nan Key Laboratory of Aging Biology, Changsha, China. Electronic address: liji_xy@csu.edu.cn.
3 Department of Dermatology, Xiangya Hospital, Central South University, Hu Nan Key Laboratory of Aging Biology, Changsha, China. Electronic address: shiwei@csu.edu.cn.