Funding for this research was provided by:
Natural Science Foundation of Zhejiang Province (LQ20H140002)
Zhejiang Provincial Science and Technology Project for Public Welfare (LGF18H140007, LGF19H140005 & LGF20H140003)
Zhejiang Provincial Traditional Chinese Medicine Science and Technology Plan (2017ZB068)
Public Welfare Science and Technology Plan of Wenzhou City (Y20160140 & Y20190100)
Received: 18 December 2019
Accepted: 10 January 2021
First Online: 23 January 2021
Ethics approval and consent to participate
: The use of human periodontal ligament cells was approved by the Ethics Committee of School & Hospital of Stomatology, Wenzhou Medical University (Register No. 2017001). Informed consents were obtained from all participants prior to the enrollment.
: Not applicable.
: The authors declare that they have no competing interests.