1)- Yuan Lai, Marie-Laure Charpignon, Daniel K Ebner, Leo Anthony Celi. Unsupervised learning for county-level typological classification for COVID-19 research.Intelligence-based medicine. 2020, 1: 100002
3)- Jason Walonoski, Sybil Klaus, Eldesia Granger, Dylan Hall, Andrew Gregorowicz, George Neyarapally, Abigail Watson, Jeff Eastman. Synthea™ Novel coronavirus (COVID-19) model and synthetic data set.Intelligence-based medicine. 2020, 1: 100007