Su, Yi http://orcid.org/0000-0002-6948-9508
Naigles, Letitia R. http://orcid.org/0000-0003-2168-9700
Funding for this research was provided by:
National Social Science Fund of China (20BYY086)
Article History
Accepted: 27 September 2021
First Online: 2 November 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: All parents of the child participants signed consent forms for participation, which were approved by the Medical Ethics Committee of the Second Xiangya Hospital, Central South University.