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Authors
Yang, Yang
Zhou, Yin
Liu, Xiaoqiang
Tan, Jianguo
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Funding
Funding for this research was provided by:
Peking University School and Hospital of Stomatology (PKUSSNCT-19A03)
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Article History
Received: 25 February 2020
Accepted: 23 March 2020
First Online: 3 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.
