Funding for this research was provided by:
Zhejiang University (188020-193810101/ 089)
Text and Data Mining valid from 2019-12-01
Received: 6 August 2019
Accepted: 5 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: The study protocol was in accordance with the tenets of the Declaration of Helsinki and was approved by the Ethics Committee of Second Affiliated Hospital, Zhejiang University School of Medicine. Written informed consents were obtained from all the participants.
: Written informed consents for publication were obtained from all the participants.
: The authors declare that they have no competing interests.