Correction
In the original publication [1] are errors in the acknowledgement section in the backmatter. The corrections can be found below in this Erratum.
Incorrect affiliation 4:
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Guangdong Provincial Center for Skin Diseases and Sexually Transmitted Infections Control, No. 2 Lujing Road, Guangzhou, China, 510095.
Correct affiliation 4:
Guangdong Provincial Center for Skin Diseases and Sexually Transmitted Infections Control Center, Dermatology Hospital, Southern Medical University, No. 2 Lujing Road, Guangzhou, China, 510095.
Incorrect author affiliation:
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Meizhen Liao15, Dianmin Kang15
Correct author affiliation:
Meizhen Liao16, Dianmin Kang16
Missing affiliation 16:
Shandong Provincial Center for Disease Control and Prevention, Jinan, China
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