Funding for this research was provided by:
National Development and Reform Commission (JZNYYY001)
Application of collaborative precision positioning service for mass users (2016YFB0501805-1)
Accepted: 6 December 2022
First Online: 23 December 2022
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.