Wang, Maoli
Chen, Hongliang http://orcid.org/0000-0002-2563-2018
Wu, Kejin
Ding, Ang
Zhang, Peng
Zhang, Mingdi
Article History
Received: 22 May 2018
Accepted: 15 April 2019
First Online: 24 April 2019
Compliance with ethical standards
:
: All the authors declared 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 research committee and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: The informed consent was not required because personal identifying information was not involved.