Authors’ contributions
Concept and design: CH and YZ T; Patient enrolment: CH, YF C, and CJ Y; Data collection and management: CH, YF C, CJ Y, and YW X; Analysis and interpretation of data: CH; Project administration: CH, YF C, CJ Y, YW X, MD, and YZ T; Supervision: CH, YF C, CJ Y, MD, and YZ T; Writing-original draft: CH; and writing-review & editing: CH, YF C, CJ Y, MD, and YZ T. All authors read and approved the final manuscript.