Published Online: October 11, 2014. doi:10.1001/jama.2014.13875.
Study concept and design: Youngster, Russell, Hohmann.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Youngster.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Youngster, Ziv-Baran.
Obtained funding: Hohmann.
Administrative, technical, or material support: Russell, Pindar, Sauk, Hohmann.
Study supervision: Youngster, Hohmann.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Hohmann is the recipient of a sponsored research award from Seres Health, Cambridge, Massachusetts, to Massachusetts General Hospital for a clinical trial related to treatment of C difficile colitis. No authors have active patents, patents under application, or intention to file for patents, related to the techniques used in this study. No other disclosures are reported.
Funding/Support: The study was funded by internal hospital division funds. Dr Youngster received career support from Harvard Catalyst, the Harvard Clinical and Translational Science Center, funded by the National Center for Research Resources and the National Center for Advancing Translational Sciences, National Institutes of Health award 8UL1TR000170-05, and financial contributions from Harvard University and its affiliated academic health care centers.
Role of the Funders/Sponsors: No external sponsor had any role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication.
Disclaimer: The content is solely the responsibility of the authors and does not necessarily represent the official views of Harvard Catalyst, the National Institutes of Health, Harvard University, its affiliated academic health care centers, or its corporate contributors.
Correction: This article was corrected for incorrect wording and figure numbering on January 8, 2015.