Article Information
Accepted for Publication: July 8, 2020.
Published: August 4, 2020. doi:10.1001/jamanetworkopen.2020.17267
Open Access: This is an open access article distributed under the terms of the
CC-BY-NC-ND License. © 2020 Kaufman HW et al.
JAMA Network Open.
Author Contributions: Dr Kaufman and Ms Chen had full access to all of the data in the study and take responsibility
for the integrity of the data and the accuracy of the data analysis.
Concept and design: All authors.
Acquisition, analysis, or interpretation of data: Chen.
Drafting of the manuscript: Kaufman, Chen, Niles.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Chen, Niles.
Administrative, technical, or material support: Fesko.
Conflict of Interest Disclosures: Drs Kaufman and Fesko, Ms Chen, and Mr Niles reported being employed by and owning
stock in Quest Diagnostics outside the submitted work.