Development and External Validation of Clinical Features-based Machine Learning Models for Predicting COVID-19 in the Emergency Department.

"Conflicts of Interest: By the WestJEM article submission agreement, all authors are required to disclose all affiliations, funding sources and financial or management relationships that could be perceived as potential sources of bias. This work was supported with grants from National Health Research Institutes (NHRI), Taiwan (NHRI-EX112-11137PI), and National Science and Technology Council (NSTC), Taiwan (109-2823-8-002-013-CV). The funders had no role in the design or conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication. There are no conflicts of interest to declare."

"Conflicts of Interest: By the WestJEM article submission agreement, all authors are required to disclose all affiliations, funding sources and financial or management relationships that could be perceived as potential sources of bias. This work was supported with grants from National Health Research Institutes (NHRI), Taiwan (NHRI-EX112-11137PI), and National Science and Technology Council (NSTC), Taiwan (109-2823-8-002-013-CV). The funders had no role in the design or conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication. There are no conflicts of interest to declare."