Wang, Qiguang
Cheng, Jian
Zhang, Si
Li, Qiang
Hui, Xuhui
Funding for this research was provided by:
Sichuan Province Science and Technology Support Program (No.2018SZ0043)
Article History
Received: 20 June 2019
Revised: 23 August 2019
Accepted: 4 September 2019
First Online: 6 November 2019
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.