Zhang, Yanbing
Zhang, Tian
Yin, Qiang
Luo, Haiyan
Article History
Received: 13 February 2021
Accepted: 14 October 2021
First Online: 29 October 2021
Declarations
:
: This study was approved by the Ethics Committee of Hunan Children’s Hospital (HCHLL-2021-09). The research has been carried out in accordance with the World Medical Association Declaration of Helsinki.
: In this study, paraffin section specimens were collected from children. We have obtained the written informed consent from their parent and/or legal guardian.
: The authors declare that they have no competing interest.