Funding for this research was provided by:
National Natural Science Foundation of China (81470899, 81170442, 81702357)
Text and Data Mining valid from 2018-11-06
Received: 18 July 2018
Accepted: 11 October 2018
First Online: 6 November 2018
Change Date: 2 April 2019
Change Type: Correction
Change Details: The authors are retracting this article  because it overlaps significantly with a previously published article by Moody et al.  without proper citation. All authors agree with this retraction.
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Second Affiliated Hospital of Chongqing Medical University. Written informed consent was obtained from all subjects, adhered to the Declaration of Helsinki.
: We agree to publish this study.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.