Funding for this research was provided by:
National Basic Research Program of China (973 Program) (2016YFC0905402)
National Natural Science Foundation of China (81702936)
Natural Science Foundation of Beijing Municipality (7172199)
General Financial Grant from the Postdoctoral Science Foundation of China (2017M613389)
Ph.D. Candidate Research Innovation Fund of Nankai University
Clinical and Scientific Research Support Fund of General Hospital of PLA (2017-FC-TSYS-3022)
Text and Data Mining valid from 2018-10-03
Received: 19 July 2018
Accepted: 21 September 2018
First Online: 3 October 2018
Ethics approval and consent to participate
: The study was approved by the institutional ethics committees of the Fuzhou General Hospital and the General Hospital of Chinese PLA and all procedures were conducted in accordance with ethical principles.
: Not applicable.
: The authors declare that they have no competing interests.
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