Funding for this research was provided by:
the Education Department of Hainan Province (Hnjg2018-94)
Received: 8 January 2020
Accepted: 15 April 2020
First Online: 7 May 2020
Change Date: 10 January 2023
Change Type: Correction
Change Details: This article has been retracted. Please see the Retraction Notice for more detail:
Change Details: https://doi.org/10.1186/s13638-023-02221-y
Ethics approval and consent to participate
: This article does not contain any studies with human participants or animals performed by any of the authors.
: All authors agree to submit this version and claim that no part of this manuscript has been published or submitted elsewhere.
: The authors declare that he has no conflict of interest.