Yuan, Chao
Liu, Xiaochen
Zheng, Shuguo
Funding for this research was provided by:
Peking University School and Hospital of Stomatology (PKUSS20120205)
Article History
Received: 15 May 2017
Accepted: 15 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: The project was approved by the Human Research Ethics Committee of the School of Stomatology, Peking University, China ((No. PKUSSIRB-2012055). Written informed consent for participation was obtained from each subject recruited in this study.
: This manuscript was not involved with details, images, or videos relating to individual participants. Written informed consent of this research was obtained from all the subjects involved.
: The authors declare that they have no competing interests.
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