Wang, Lijun
Liu, Fang http://orcid.org/0000-0002-8217-5597
Article History
Received: 3 March 2018
Accepted: 29 June 2018
First Online: 14 July 2018
Compliance with ethical standards
:
: All authors declare that there is no conflict of interest. All authors have had full control of all primary data and agree to allow the Journal to review their data if requested.
: This article does not contain any studies with human participants performed by any of the authors. All analyses were based on previous published studies, thus no ethical approval and patient consent are required.