1. Hunan Engineering Research Center of Skin Health and Disease Changsha China
2. Hunan Key Laboratory of Skin Cancer and Psoriasis Changsha China
3. Dermatology Department of Xiangya Hospital of Central South University Changsha China
4. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Changsha, Hunan China
5. Xiangya School of Medicine Central South University Changsha China
6. Department of Ultrasound, Xiangya Hospital Central South University Changsha China