Wu, Fan
Lai, Caiyun
Wang, Yan
Zhang, Gaoqiang
Li, Yueqi
Yu, Susu
Peng, Xinyue
Yang, Jiani
Wei, Zhisheng
Zhang, Wenjuan http://orcid.org/0000-0003-2922-0640
Funding for this research was provided by:
National Natural Science Foundation of China (81473014)
Foundation for Distinguished Young Talents in Higher Education of Guangdong (87316004)
Article History
Received: 8 January 2020
Accepted: 24 April 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: According to National Health Commission of the People’s Republic of China [CitationRef removed], data involved in this study did not include any data of patients’ personal information, including name, identity information, exact address, telephone number, etc. This study mainly focused on aggregating the available data, so consent to participate and ethics approval are unnecessary.
: Not applicable.
: The authors declare that they have no competing interests.