Burkhardt, Hannah, Pascal Brandt, Jenney Lee, Sierramatice Karras, Paul Bugni, Ivan Cvitkovic, Amy Chen, and William Lober. “StayHome: A FHIR-Native Mobile COVID-19 Symptom Tracker and Public Health Reporting Tool”. Online Journal of Public Health Informatics 13, no. 1 (March 21, 2021). Accessed April 11, 2021. https://ojphi.org/ojs/index.php/ojphi/article/view/11462.