Funding for this research was provided by:
Beijing Children’s Hospital Young Investigator Program (BCH-YIPB-2016-06)
Received: 24 November 2020
Accepted: 29 June 2021
First Online: 8 July 2021
: This retrospective study was approved by the Ethics Committees of Beijing Children’s Hospital for using the data, and the informed consent was waved.
: Not applicable.
: The author of this manuscript declares relationship with the following companies: GE Healthcare (JL). Authors with no financial ties to GE Healthcare (JS, HL, BW, ML ZZ and YP).