Xia, Jie
Ma, Kai
Ge, Hanwei
Hu, Xingti
Du, Jie
Wu, Guowei
Zhao, Qifeng
Article History
Received: 25 October 2020
Accepted: 15 April 2021
First Online: 3 May 2021
Declarations
:
: All authors have completed the ICMJE uniform disclosure form. The authors have no conflicts of interest to declare.
: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). The study was approved by institutional ethics committee of the Second Affiliated Hospital and Yuying Children's Hospital and individual consent for this retrospective analysis was waived.