Zhao, Wenzhi
Zhang, Jian
Zhao, Ai
Wang, Meichen
Wu, Wei
Tan, Shengjie
Guo, Mofan
Zhang, Yumei https://orcid.org/0000-0003-3621-5823
Article History
Received: 25 April 2018
Accepted: 25 September 2018
First Online: 3 October 2018
Ethics approval and consent to participate
: The study protocol was reviewed and approved by ethical review committees of Peking University Health Science Centre (no. IRB00001052–15059). All of the participants in the CUADHS provided written consent for participation.
: Not applicable.
: None.
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