Accepted for Publication: August 15, 2021.
Published: October 27, 2021. doi:10.1001/jamanetworkopen.2021.29973
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2021 Zachrison KS et al. JAMA Network Open.
Corresponding Author: Kori S. Zachrison, MD, MSc, Department of Emergency Medicine, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114 (kzachrison@mgh.harvard.edu).
Author Contributions: Dr Zachrison had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Zachrison, Schwamm.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Zachrison.
Critical revision of the manuscript for important intellectual content: Yan. Schwamm.
Statistical analysis: Zachrison, Yan.
Obtained funding: Zachrison.
Administrative, technical, or material support: Schwamm.
Supervision: Schwamm.
Conflict of Interest Disclosures: Dr Zachrison reported receiving grants from National Institute of Neurological Disorders and Stroke, CRICO, and the American College of Emergency Physicians outside the submitted work. Dr Schwamm reported receiving personal fees from LifeImage and grants from the National Institute of Neurological Disorders and Stroke and the Patient Centered Outcomes Research Institute outside the submitted work. No other disclosures were reported.
Funding/Support: Dr Yan and Zachrison were funded by grant K08 HS024561 from the Agency for Healthcare Research and Quality.
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.