Received: 19 November 2019
Accepted: 2 July 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: The research has been conducted in accordance with the Declaration of Helsinki. All experimental protocols were approved by Xuanwu Hospital Capital Medical University Committee. Written informed consent was obtained from all patients.
: We obtained permission from the participants to publish their data. All participants gave written consent for publication.
: The authors declare that they have no competing interests.