Institution: | 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 |