Wang, Min
Ren, Xuerui
Pan, Yihuai
Funding for this research was provided by:
Technology Innovation Plan for College Students in Zhejiang Province (2015R413085)
Wenzhou Science and Technology Planning Project (Y20140330)
Article History
Received: 1 September 2017
Accepted: 1 March 2018
First Online: 22 March 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 Ethics Committee of School and Stomatology Wenzhou Medical University and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study, formal consent is not required.