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Authors
Zhou, Pinping
Zhang, Chao
Huang, Guijin
Hu, Yuan
Ma, Wenzhu
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Funding
Funding for this research was provided by:
Chongqing Municipal Public Health Bureau, Chongqing People's Municipal Government (2017ZDXM017)
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Article History
Received: 14 September 2020
Accepted: 7 April 2021
First Online: 16 April 2021
Declarations
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: The study had been treated according to the declaration of Helsinki. This trial was registered with Chinese Clinical Trial Registry (number ChiCTR1800015216), and the ethics committee approval of the Stomatological Hospital of Chongqing Medical University was obtained (number CQHS-IRB-2018-01). The written consent of all participants obtained from parents or guardians.
: All authors read the final manuscript and agreed with submission to BMC Anesthesiology.
: The authors declare that they have no competing interests in this trial.
