Gong, Junsong
Chen, Zujun
Chen, Yu
Lv, Huanran
Lu, Haisong
Yan, Fuxia
Li, Lihuan
Zhang, Weili
Article History
Received: 24 October 2018
Accepted: 26 February 2019
First Online: 11 March 2019
Ethics approval and consent to participate
: This study was authorized by the Fuwai Hospital, and obtained written informed consents from all the participants.,
: Not applicable.
: The authors declare that they have no competing interests.
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