Funding for this research was provided by:
Capital Clinical Characteristics Application Program (No Z131107002213122)
Peking University Health Science Center Outstanding Doctoral Student Innovation Fund (None)
Article History
Received: 20 February 2020
Accepted: 17 July 2020
First Online: 25 July 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Peking University Health Science Center (IRB00001052–11055). And all participants signed informed consents.
: Not applicable.
: All authors have no conflicts of interest related to this study.