Deng, Chenhui
Pan, Jay http://orcid.org/0000-0001-9501-1535
Funding for this research was provided by:
National Natural Science Foundation of China (71870412)
Sichuan University (2015SCU04A19)
China Medical Board (17-276)
Ministry of Education of the People's Republic of China (18YJA790062)
Sichuan Province Science and Technology Support Program (2019JDR0159)
Article History
Received: 10 January 2019
Accepted: 20 September 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: Ethics approval is not applicable. This study was based on secondary data from the Sichuan Provincial Health Statistics Support System Database (SPHSSSD). All data were de-identified and the manuscript does not contain any individual person’s data. Therefore, this study was exempted from ethics approval.
: Not applicable.
: The authors declare that they have no competing interests.