RADx Data Hub: A Cloud Platform for FAIR, Harmonized COVID-19 Data. - Marcos Martínez Romero; Matthew Horridge; Nilesh Mistry; Aubrie Weyhmiller; Jimmy K. Yu; Alissa Fujimoto; Aria Henry; Martin J. O'Connor; Ashley Sier; Stephanie Suber; Mete Ugur Akdogan; Yan Cao; et al. (CoRR, 2025)