1. Department of Dermatology, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, Fujian, China
2. Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Yunnan Provincial Institute of Dermatology, Kunming 650032, Yunnan, China
3. Department of Dermatology, BenQ Medical Center, Nanjing Medical University, Nanjing 210019, Jiangsu, China