Yao Xue-Yan, Wen Guang-Dong, Zhou Cheng, Liu Bo-Yang, Du Juan, Chen Zhou, Zhang Jian-Zhong
Department of Dermatology, Peking University People's Hospital, Beijing 100044, China.
Department of Family Practice, University of British Columbia, Vancouver, BC V6T 1Z3, Canada.
Chin Med J (Engl). 2017 Aug 20;130(16):2013-2014. doi: 10.4103/0366-6999.211899.