Ling, Shao
Hui, Liu http://orcid.org/0000-0003-3974-0930
Funding for this research was provided by:
Scientific and Technological Innovation of Dalian (2018J12SN084)
Article History
Received: 26 December 2018
Accepted: 2 July 2019
First Online: 19 July 2019
Ethics approval and consent to participate
: The research study was approved by Ethical Committee of Dalian Medical University.
: Not applicable.
: The authors declare that they have no competing interests.