Lin, Lin http://orcid.org/0000-0002-3089-4741
Wei, Jinjin
Chen, Zheng
Tang, Xinyue
Dai, Fei
Sun, Guangbin
Article History
Received: 13 September 2018
Accepted: 19 October 2018
First Online: 24 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study formal consent is not required. This article does not contain any studies with animals performed by any of the authors.