Funding for this research was provided by:
Peking Union Medical College (2017-2019 Education Fund)
Received: 29 October 2020
Accepted: 30 July 2021
First Online: 21 August 2021
: The study was approved by the Ethics Committee of the Fujian Provincial Hospital. Administrative permission was given by the Fujian Provincial Hospitals to access and use the datasets/medical records described in this study. The study does not involve human participants or animals. The manuscript does not contain any personally identifiable data in any form. According to Article 39 of the Regulation of Ethical Review of Human Biomedical Research (issued by the National Health and Family Planning Commission of the People’s Republic of China in 2016), when the data used for the study cannot trace the patients, and the study was not for the commercial purpose, patients informed consent to participate can be waived upon approval of the Ethical Committee.
: The manuscript does not contain any person’s data in any form.
: The authors declare no conflict of interest.