1. Shandong Provincial Hospital for Skin Diseases; Shandong University; Jinan Shandong China
2. Department of Dermatology; Weifang People's Hospital; Weifang Shandong China
3. Department of Dermatology; Shandong Provincial Institute of Dermatology and Venereology; Shandong Academy of Medical Sciences; Jinan Shandong China
4. Department of Pathology; Shandong Provincial Institute of Dermatology and Venereology; Shandong Academy of Medical Sciences; Jinan Shandong China