Funding for this research was provided by:
Chinese Science and Technology Ministry (2016YFC1300800, 2016YFC1300801)
National Health and Family Planning Commission Stroke Prevention Project Committee (GN-2016R0004)
Text and Data Mining valid from 2019-10-22
Received: 18 May 2019
Accepted: 5 October 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: This study was approved by the Biological and Medical Ethics Committee of Tangdu Hospital (NO. 201704-13). Patient consent was obtained.
: Not applicable.
: The authors declare that they have no competing interests.