1. Department of Dermatology; The Third Affiliated Hospital of Soochow University; Changzhou China
2. Department of Dermatology; The Second Affiliated Hospital; School of Medicine; Xi'an Jiaotong University; Xi'an 710004 China
3. State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy; West China Hospital; Sichuan University; Chengdu China
4. Department of Medicine; The Second Affiliated Hospital; School of Medicine; Xi'an Jiaotong University; Xi'an 710004 China