Using eHealth to Support COVID-19 Education, Self-Assessment, and Symptom Monitoring in the Netherlands: Observational Study.
Thomas TimmersLoes JanssenJoep J J M StohrJean-Luc MurkMarvin A H BerrevoetsPublished in: JMIR mHealth and uHealth (2020)
Netherlands Trial Register NL8501; https://www.trialregister.nl/trial/8501.