Funding for this research was provided by:
Capital Foundation of Medical Development (No. 2018-2-2-12)
Received: 5 September 2020
Accepted: 5 November 2020
First Online: 11 November 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Xuanwu Hospital, Capital Medical University on September 5, 2018 (No. 2018-091). This clinical study is a retrospective study. It only collects clinical data of patients, does not interfere with the patient’s treatment plan, and does not bring risks to the patient’s physiology. The researchers will make every effort to protect the information provided by the patients from disclosing personal privacy.
: Not applicable.
: The authors declare that there is no conflict of interest.