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Authors
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Funding
Funding for this research was provided by:
the Fifth Batch of Excellent Talent Support Program of Chongqing Colleges and University (68021900601)
the Natural Science Foundation of CQ CSTC (cstc.2018jcyjA2073)
the Program for the Chongqing Statistics Postgraduate Supervisor Team (yds183002)
Chongqing Social Science Plan Project (2019WT59)
Science and Technology Research Program of Chongqing Education Commission (KJZD-M202100801)
Open Project from Chongqing Key Laboratory of Social Economy and Applied Statistics (KFJJ2022056)
Mathematic and Statistics Team from Chongqing Technology and Business University (ZDPTTD201906)
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Article History
Accepted: 9 September 2023
First Online: 10 October 2023
Declarations
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: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
: This is an observational study and does not require ethics approval.
