Funding for this research was provided by:
National Natural Science Foundation of China (81900281)
China Postdoctoral Science Foundation (2018M630585)
the General Project of Science and Technology Development Fund of Nanjing Medical University (NMUB2018020)
the Key Project of Science and Technology Development Fund of Nanjing Medical University (2017NJMUZD060)
the National Key Research and Development Program of China (2017YFC1308105, 2016YFC1101001)
a Key Project supported by the Medical Science and Technology Development Foundation, Nanjing Department of Health (YKK18139)
Nanjing Medical University School Project (NMUC2018012A)
Received: 1 November 2019
Accepted: 11 May 2020
First Online: 19 May 2020
Ethics approval and consent to participate
: Not applicable.
: Consent for publication was obtained from the parents of the child.
: The authors declare that there is no conflict of interest.