Yi, Yongjun http://orcid.org/0000-0002-6102-7173
Che, Wenqiang
Cao, Yongfu
Chen, Fanfan
Liao, Jiancheng
Wang, Xiangyu
Lyu, Jun
Article History
Received: 8 October 2021
Revised: 22 February 2022
Accepted: 4 April 2022
First Online: 19 April 2022
Declarations
:
: This is an observational study. The Guangzhou Overseas Chinese Hospital Research Ethics Committee has confirmed that no ethical approval is required.
: The database was established with the approval of the Massachusetts Institute of Technology (Cambridge, MA) and Beth Israel Deaconess Medical Center (Boston, MA), and consent was obtained for the original data collection. Therefore, this manuscript abandons the need for informed consent.
: Not applicable.
: The authors declare no competing interests.