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Authors
Liu, Li
Sun, Yi
Chen, Yuqing
Xu, Jinsheng
Yuan, Ping
Shen, Yulan
Lin, Shan
Sun, Weiming
Ma, Yingchun
Ren, Jianwei
Liu, Wenjun
Lei, Jinghong
Zuo, Li
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Article History
Received: 23 January 2020
Accepted: 5 April 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: It was approved by the Ethics Committee of Clinical Research, Peking University First Hospital and each participating center (No. 2011–03). All subjects signed informed consent forms before data collection.
: Not applicable.
: All the authors declare that they have no relevant financial interests in connection with the work submitted.
