Funding for this research was provided by:
This study was supported by Medical Innovation Program of Fujian Province (Grant 2016-CX-31)
Text and Data Mining valid from 2019-11-08
Received: 30 January 2019
Accepted: 23 September 2019
First Online: 8 November 2019
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the local ethics committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The data collection was approved by the Ethics Committee of Fujian Medical University (No. 2014078). A written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no conflicts of interest.