Funding for this research was provided by:
Natural Science Foundation of Zhejiang Province (LY16H200001)
Scientific Research Projects of Education of Zhejiang Province (Y201534117)
Received: 6 April 2020
Accepted: 24 August 2020
First Online: 1 September 2020
Ethics approval and consent to participate
: The study was approved by the Medical Ethics Committee of the First People’s Hospital of Huzhou and conducted according to the Declaration of Helsinki. Written consent to participate as a patient or HCs was obtained from the parents/guardians of the minors included in this study (minors are considered anyone under the age of 16).
: Not applicable.
: The authors declare that they have no conflicts of interest.