1. Department of Dermatovenereology, West China Hospital; Sichuan University; Chengdu China
2. Department of Laboratory Medicine, West China Hospital; Sichuan University; Chengdu China
3. Department of Pathology, West China Hospital; Sichuan University; Chengdu China
4. State Key Laboratory of Oral Diseases, West China Hospital of Stomatology; Sichuan University; Chengdu China