Funding for this research was provided by:
Research and Development of Chinese Capital Clinical Characteristic Applications (Z151100004015025)
the National Natural Science Foundation of China (81930121)
Received: 30 December 2020
Accepted: 20 April 2021
First Online: 28 April 2021
: This study was approved by ethics committee of General Hospital of the Chinese People's Armed Police Forces (No.2015003). Written or online informed consent was obtained from patients or their legal guardians.
: Consents for publication were obtained from the patients and/or their parents or their legal guardians.
: The authors declare that they have no competing interests.