Xie, Juntao
Chen, Qingui
He, Dejian
Article History
Received: 14 January 2022
Accepted: 20 June 2022
First Online: 6 July 2022
Declarations
:
: The database is released under the Health Insurance Portability and Accountability Act (HIPAA) safe harbor provision. Access to the database was approved by the institutional review boards (IRB) of both Beth Israel Deaconess Medical Center and Massachusetts Institute of Technology Affiliates, after completing the Collaborative Institutional Training Initiative (CITI) “Data or Specimens Only Research” course. After we consulting the IRB of The First People’s Hospital of Chenzhou, this study was exempt from further approval and patient consent due to the retrospective design, lack of direct patient intervention, and the security schema for the re-identification risk, which made the study do not meet the definition of “human subjects” research requiring IRB review. The study complied with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.