Received: 18 May 2019
Accepted: 29 October 2019
First Online: 12 November 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Shenzhen Sixth People’s Hospital (2018–043) and also registered on the website: ExternalRef removed.(CHiCTR1800018824). The first volunteer was recruited in Octorber 2018.The study wan performed in accordance with the Declaration of Helsinki. Written informed consent was obtained from all the participants.
: Written informed consent for publication of their clinical details was obtained from the participants.
: The authors declare that they have no competing interests.