PMC:7796344 / 8845-9087 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T57","span":{"begin":80,"end":84},"obj":"Sentence"},{"id":"T58","span":{"begin":85,"end":110},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"of April 2019 at King Abdul Aziz Airport-Islamic port in Jeddah, Saudi Arabia.\n\n2.2. Questionnaire Development\nThe questionnaire (Appendix A) was composed of sociodemographic items including age, gender, nationality, level of education, histo"}