1. Shandong Provincial Hospital for Skin Diseases, Shandong University, Jinan, China;
2. Shandong Provincial Key Lab for Dermatovenereology, Jinan, China;
3. Shandong Provincial Institute of Dermatology and Venereology, Shandong Academy of Medical Sciences, Jinan, China;
4. Linyi Dermatology Hospital, Linyi, China