Corresponding Author

Department of Dermatology, Peking Union Medical College Hospital, Center for Translational Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China

Correspondence

Jie Liu, Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Center for Translational Medicine, Beijing 100730, China.

Email: Liujie04672@pumch.cn

Qing-Li Zhu, Department of Ultrasound, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Center for Translational Medicine, Beijing 100730, China.

Email: zqlpumch@126.com