1. Department of Medicine; The Second Affiliated Hospital; School of Medicine; Xi'an Jiaotong University; Xi'an China
2. Department of Dermatology; The Second Affiliated Hospital; School of Medicine; Xi'an Jiaotong University; Xi'an China
3. Department of Dermatology; The Third Affiliated Hospital of Soochow University; Changzhou China
4. Department of Dermatology; Hubei Maternity and Child Health Hospital; Wuhan China
5. Department of Pathology; Renmin Hospital of Wuhan University; Wuhan China