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Article History

Received: 20 May 2019

Accepted: 15 November 2019

First Online: 29 November 2019

Ethics approval and consent to participate

: This study was approved by the Joint Chinese University of Long Kong—New Territories East Cluster Clinical Research Ethics Committee and Tongji Hospital. The study is compliant with Declaration of Helsinki. Ethics considerations are based on the principals of beneficence, respect for human dignity, confidentiality, and right to withdraw from the study at any time. All patients provided written, informed consent before the procedure and gave consent for personal information to be used in this study.

: Not applicable.

: The authors declare that they have no competing interests.