Li, Lennon, Reuben Pererita, Steven Johnson, and Ian Johnson. “Integrated Spatiotemporal Surveillance System: Data, Analysis and Visualization”. Online Journal of Public Health Informatics 9, no. 1 (May 2, 2017). Accessed July 24, 2021. https://journals.uic.edu/ojs/index.php/ojphi/article/view/7641.