Gu, You-lan
Yang, Duo
Huang, Zhi-bin
Chen, Yan
Dai, Zai-shen
Article History
Received: 8 August 2022
Accepted: 23 November 2022
First Online: 9 December 2022
Declarations
:
: The establishment of this database was approved by the Massachusetts Institute of Technology (Cambridge, MA, USA) and Beth Israel Deaconess Medical Center (Boston, MA, USA), and informed consents were exempted due to all patients’ data were anonymized before the data were obtained [CitationRef removed]. We also complied with all relevant ethical regulations regarding the use of the data in our study. All reports adhered to the guidelines for Strengthening the Reporting of Observational Studies in Epidemiology [CitationRef removed] and the Declaration of Helsinki [CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.