Funding for this research was provided by:
Zhejiang Province welfare technology applied research project (LGC19H120001)
Article History
Received: 14 August 2018
Accepted: 8 January 2019
First Online: 28 January 2019
Ethics approval and consent to participate
: This prospective study was approved by the Institutional Medical Ethics Committee and adhered to the tenets of the Declaration of Helsinki. Informed written consent was obtained from all the participants and their parents.
: Consent was obtained from the participant(and legal parent or guardian for children) to publish and report individual patient data.
: None of the authors have any proprietary interests or conflicts of interest related to this submission.
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