Yang, Zedeng
Geng, Kun
Liu, Yanfang
Sun, Shule
Wen, Dan
Xiao, Jiao
Zheng, Yusong
Cai, Jifeng
Zha, Lagabaiyila http://orcid.org/0000-0002-7900-122X
Liu, Ying
Funding for this research was provided by:
Natural Science Foundation of Hunan Province (2017JJ3422)
Shanghai Key Laboratory of Forensic Medicine Open Project (KF1815)
Article History
Received: 18 June 2018
Accepted: 22 August 2018
First Online: 11 September 2018
Compliance with ethical standards
: Ethical approval was granted by the ethics committee of XiangYa Stomatological Hospital.
: 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.
: Informed consent was provided by all individual participants included in the study, according to the Declaration of Helsinki.