Funding for this research was provided by:
Science and Technology Development Projects of Jilin Province (20170623006TC)
Received: 23 May 2019
Accepted: 30 July 2019
First Online: 13 August 2019
Ethics approval and consent to participate
: Ethical approval for this study has been obtained by the Ethics Committee of China-Japan Union Hospital of Jilin University.
: The authors declare that they have no competing interests.