1. Department of Dermatology; the First Affiliated Hospital of Zhengzhou University; Zhengzhou China
2. Department of Dermatology; People's Hospital of Zhengzhou; Zhengzhou China
3. Department of Surgery; Zhengzhou Children's Hospital; Zhengzhou China
4. Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
5. Department of Pharmacology; Zhongshan School of Medicine; Sun Yat-Sen University; Guangzhou China