Funding for this research was provided by:
National Natural Science Foundation of China (81470369)
Received: 15 January 2020
Accepted: 18 August 2020
First Online: 25 August 2020
Ethics approval and consent to participate
: The study has been approved by Institutional Review Board of Queen Mary Hospital (UW 05-269 T/932), and written informed consent has been obtained from patients for participation of this study.
: We have obtained consents from patients for publication of this report and any accompanying data or images.
: The authors declare that they have no competing interests.