Ma, Weina
Sai, Liyang
Tay, Cleo
Du, Youhong
Jiang, Jie
Ding, Xiao Pan
Funding for this research was provided by:
National Natural Science Foundation of China (31400875)
Hangzhou Social Science Foundation of China (2018RC2X17)
National University of Singapore start-up grant
Article History
First Online: 17 May 2019
Compliance with Ethical Standards
:
: The authors have no conflict of interests to declare.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Hangzhou Normal University research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The parents or legal guardians of the child participants gave informed consent for the children’s participation in our study. The children also gave their oral assent prior to participation.