1. Department of Cosmetic Laser Surgery, Hospital for Skin Disease, Institute of Dermatology, Peking Union Medical College (PUMC) Chinese Academy of Medical Sciences (CAMS) Jiangwangmiao Street 12, Xuanwu District Nanjing Jiangsu 210042 China
2. Department of Dermatovenereology Shenzhen Center for Chronic Disease Control Buxin Road 2021, Luohu District Shenzhen Guangdong 518020 China