About the Authors

Yan Le

Contributed equally to this work with: Yan Le, Jie Ren

Affiliation Department of Dermatology, Huashan Hospital, Fu Dan University, Shanghai, China

Jie Ren

Contributed equally to this work with: Yan Le, Jie Ren

Affiliation Department of Dermatology, Huashan Hospital, Fu Dan University, Shanghai, China

Jie Shen

Affiliation Department of Epidemiology, Key Laboratory of Public Health Safety of Ministry of Education, Public Health, Fudan University, Shanghai, China

Tong Li

Affiliation Department of Dermatology, Huashan Hospital, Fu Dan University, Shanghai, China

Cheng-Feng Zhang

e3dangdang@hotmail.com

Affiliation Department of Dermatology, Huashan Hospital, Fu Dan University, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CFZ. Performed the experiments: YL JR. Analyzed the data: JS. Wrote the paper: YL JR JS TL CFZ.