Xia, Yuan-Yuan
Bu, Ru
Cai, Guang-Yan
Zhang, Xue-Guang
Duan, Shu-Wei
Wu, Jie
Wu, Di
Chen, Xiang-Mei
Funding for this research was provided by:
the National Key Technology R&D Program (2013BAI09B05)
the National Key Technology R&D Program (2015BAI12B06)
the National Key Technology R&D Program (2018YFA0108803)
the 863 program (2012AA02A512)
the Science and Technology Project of Beijing (D181100000118004)
Article History
Received: 9 October 2017
Accepted: 21 March 2019
First Online: 3 April 2019
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee of the Chinese PLA General Hospital (Beijing, China) in accordance with the Declaration of Helsinki. Consent obtained from the participants was written before entry into the study.
: Not applicable.
: The authors declare that they have no competing interests.
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