Accepted for Publication: June 11, 2013.
Published Online: September 16, 2013. doi:10.1001/jamainternmed.2013.10408.
Study concept and design: Casey, Curriero, Nachman, Schwartz.
Acquisition of data: Casey, Schwartz.
Analysis and interpretation of data: Casey, Curriero, Cosgrove, Nachman, Schwartz.
Drafting of the manuscript: Casey.
Critical revision of the manuscript for important intellectual content: Casey, Curriero, Cosgrove, Nachman, Schwartz.
Statistical analysis: Casey, Curriero.
Obtained funding: Casey, Nachman, Schwartz.
Administrative, technical, or material support: Schwartz.
Study supervision: Cosgrove.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was jointly funded by the New York University–Geisinger Seed Grant Program and by the Johns Hopkins Center for a Livable Future. Additional support was provided by the Johns Hopkins Sommer Scholarship and the National Institute of Environmental Health Sciences Training Grant ES07141 (J Casey).
Role of the Sponsor: The sponsors 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.
Additional Contributions: We thank Dione G. Mercer, BS, BA, for study management; Joseph J. DeWalle, BS, for assistance with patient geocoding; Sy H. Brandau, AAS, for isolate acquisition, handling, and shipping; and Bo Shopsin, MD, PhD, and Hannah R. Rose, BA, for microbiologic testing of isolates. These individuals received compensation from the study sponsors for their contributions.