1. Department of Dermatology, Taizhou Central Hospital (Taizhou University Hospital), Taizhou University, Taizhou 318001, P. R. China
2. Department of Clinical Laboratory, Affiliated Hospital of Jining Medical College, Jining 272007, China
3. Department of Basic Medical Science, Medical School, Taizhou University, Taizhou 318001, P. R. China