Funding for this research was provided by:
National Basic Research Program of China (973 Program) (2017YFA0104800, 2016YFC1101400)
Nature Science Foundation of China (31470947, 31771062)
Key Research and Development Program of Sichuan Province (2017SZ0031)
Text and Data Mining valid from 2019-05-20
Received: 28 December 2018
Revised: 24 April 2019
Accepted: 1 May 2019
First Online: 20 May 2019
Ethics approval and consent to participate
: The DESCs of the rat incisors were obtained according to the ethical protocol approved by the Institutional Animal Review Committee of Sichuan University (the registration number WCCSIRB-D-2014-067).
: Not applicable
: The authors declare that they have no competing interests.
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