Zhuo, Deyi
Chen, Si
Ren, Xiaofang
Wang, Bingsong
Liu, Linbo
Xiao, Lin http://orcid.org/0000-0003-2486-6506
Funding for this research was provided by:
National Medical Research Council Singapore (MOH-OFIRG19may-0009)
Article History
Received: 5 August 2020
Accepted: 30 November 2020
First Online: 4 January 2021
Ethics approval and consent to participate
: All procedures conformed to the tenets of the declaration of Helsinki and written informed consent was obtained from the parents or guardians of the participants. The Ethics Committee of Beijing Shijitan Hospital approved the study (2017 Research ethics NO.69, Beijing Shijitan Hospital, Affiliated to Capital Medical University, 2017-5-20).
: Not applicable.
: No authors have conflict of interest to declare.