Text and Data Mining valid from 2019-11-03
Received: 14 May 2019
Accepted: 9 October 2019
First Online: 3 November 2019
Ethics approval and consent to participate
: This study has received approval from the institutional research committee of Honghui Hospital, Xi’an Jiaotong University (Protocol Number 1809764).
: Not applicable (No details, images, or videos relating to an individual person).
: The authors declare that they have no competing interests.