Funding for this research was provided by:
National Major Science and Technology Projects of China (2017ZX10305501-002)
Bureau of Science and Technology of Zhoushan (2016A11001, 2016C31038)
Received: 6 February 2020
Accepted: 28 July 2020
First Online: 5 August 2020
Ethics approval and consent to participate
: This study was approved by Zhoushan Hospital, Wenzhou Medical University. A written informed consent was obtained from the parents of all participants.
: Not applicable.
: The authors declare no conflicts of interest.