Yang, Kun
Zhang, Wei-Han
Liu, Kai
Chen, Xin-Zu
Chen, Xiao-Long
Zhou, Zong-Guang
Hu, Jian-Kun
Article History
Received: 24 October 2020
Accepted: 5 April 2021
First Online: 26 April 2021
Declarations
:
: The application of data from this database has been approved by the Biomedical Ethics Committee of the West China Hospital, Sichuan University, China [IRB No. 2014(215)]. Meanwhile, signed informed consent for this study was waived per the approval of Biomedical Ethics Committee of the West China Hospital, Sichuan University, since this was a retrospective study. And the data of patients were summarized and analyzed anonymously. All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional review board of ethics committee and national research committee with the 1964 Helsinki Declaration and its later amendments.
: Not applicable.
: No competing interests.