@Article{info:doi/10.2196/22321,
author="Nakamoto, Ichiro
and Wang, Sheng
and Guo, Yan
and Zhuang, Weiqing",
title="A QR Code--Based Contact Tracing Framework for Sustainable Containment of COVID-19: Evaluation of an Approach to Assist the Return to Normal Activity",
journal="JMIR Mhealth Uhealth",
year="2020",
month="Sep",
day="7",
volume="8",
number="9",
pages="e22321",
keywords="COVID-19; coronavirus; symptom-based; quick response; eHealth; digital health; telesurveillance; pandemic; epidemic; interoperability",
issn="2291-5222",
doi="10.2196/22321",
url="http://mhealth.jmir.org/2020/9/e22321/",
url="https://doi.org/10.2196/22321",
url="http://www.ncbi.nlm.nih.gov/pubmed/32841151"
}