PMC:7796058 / 48721-48931 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T342","span":{"begin":0,"end":137},"obj":"Sentence"},{"id":"T343","span":{"begin":138,"end":210},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"A JSON payload showing a single enriched proximity location captured by the developed smartphone app is shown in Supplementary Materials. For more information regarding contact tracing app can be found in [61]."}