Accepted for Publication: June 17, 2011.
Published Online: September 12, 2011. doi:10.1001/archinternmed.2011.441
Author Contributions:Study concept and design: Sohail, Braid-Forbes, Forbes, and Lerner. Analysis and interpretation of data: Sohail, Henrikson, Braid-Forbes, Forbes, and Lerner. Drafting of the manuscript: Sohail, Braid-Forbes, Forbes, and Lerner. Critical revision of the manuscript for important intellectual content: Sohail, Henrikson, Braid-Forbes, Forbes, and Lerner. Statistical analysis: Braid-Forbes, Forbes, and Lerner. Obtained funding: Lerner. Study supervision: Sohail and Henrikson.
Financial Disclosure: Dr Sohail has received reimbursement from TyRx Inc for other research, administered according to a sponsored research agreement. Dr Forbes has received consulting fees from TyRx Inc for data analyses. Dr Lerner has received salary from and has equity interest in TyRx Inc. Ms Braid-Forbes has received a consulting fee from TyRx Inc for data analyses and consulting fees from sponsor for other data analysis projects.
Funding/Support: TYRX Inc provided salary support for Ms Braid-Forbes, Dr Forbes, and David J. Wright, PhD, as consultants, to assist with data collection (Ms Braid-Forbes), analyses (Ms Braid-Forbes and Dr Forbes), and review (Dr Wright).
Previous Presentation: A poster abstract presenting preliminary results from a portion of this study was presented at the 2011 American College of Cardiology Scientific Sessions; April 5, 2011; New Orleans, Louisiana (Session 1101/poster 138).
Additional Contributions: David J. Wright, PhD (Westat, Rockville, Maryland), performed a statistical review of the data.