Safetree: An Integrated Wearable Device and Mobile Application Solution for Pandemic Mitigation and Post-Pandemic Preparedness, Incorporating Contact Tracing, Social Distancing Emergency Alert Notification, and Socialization Features. EPSTEM [Internet]. 2023 Sep. 1 [cited 2026 Feb. 9];22:59-73. Available from: https://www.epstem.net/index.php/epstem/article/view/583