Funding for this research was provided by:
National Key R&D Program of China (2017YFE0112000)
Shanghai Municipal Science and Technology Major Project (2017SHZDZX01)
China Postdoctoral Science Foundation Grant (2018T110346, 2018M632019)
Received: 13 August 2020
Accepted: 14 October 2020
First Online: 4 November 2020
Ethics approval and consent to participate
: The study protocol was designed according to the hospital’s clinical study regulation and approved by the Internal Ethics Committee for Neonatal experiments of Children’s Hospital of Fudan University, Shanghai, China. All participants were consent to participate in the data collection process. Written informed consent was obtained from the involve for publication of this research article and any accompanying images and videos. A copy of the written consent is available for review by the Editor of this journal.
: Written informed consent to publishing is obtained from parents of all the subjects by the pediatrician at Children’s Hospital of Fudan University, Shanghai, China.
: The authors declare no conflict of interest.