Funding for this research was provided by:
National Natural Science Foundation of China (#81601109)
the Beijing Talents Foundation (#2016000020124G107)
Received: 29 April 2019
Accepted: 28 February 2020
First Online: 17 March 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Xuan Wu Hospital (Beijing, China), and all participants signed informed consent before enrolling in this study.
: Not Applicable.
: The authors declare that they have no competing interests.