1Shandong Provincial Hospital for Skin Diseases & Shandong Provincial Institute of Dermatology and Venereology, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
2Shandong Provincial Key Lab for Dermatovenereology, Jinan, Shandong, China
3Hangzhou Normal University, Hangzhou, Zhejiang, China
4National Clinical Key Project of Dermatology and Venereology, Jinan, Shandong, China.
Corresponding author: Furen Zhang, Shandong Provincial Hospital for Skin Diseases & Shandong Provincial Institute of Dermatology and Venereology, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China. E-mail: [email protected]
Conflicts of interest: The authors reported no conflicts of interest.
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