Funding for this research was provided by:
Project of the National Natural Science Foundation (51372276, 81702121)
Scientific Research Project of Capital Health Development (2018-4-5014)
Military medical science and technology youth training program (19QNP052)
Clinical Research Support Fund of PLA General Hospital (2017FC-TSYS-2006)
Received: 13 February 2019
Accepted: 26 November 2019
First Online: 12 December 2019
Ethics approval and consent to participate
: This study has been approved by Ethics Committee of Chinese People’s Liberation Army General Hospital. Written informed consent was obtained from each patient prior to the study.
: Not applicable.
: The authors declare that they have no competing interests.