Submitted for Publication: November 12, 2013; final revision received February 4, 2014; accepted March 2, 2014.
Published Online: April 24, 2014. doi:10.1001/jamaoto.2014.490.
Study concept and design: Ward, Della Santina.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Sun, Semenov, Carey, Della Santina.
Critical revision of the manuscript for important intellectual content: Sun, Ward, Semenov, Della Santina.
Statistical analysis: Sun, Semenov.
Administrative, technical, or material support: Della Santina.
Study supervision: Carey, Della Santina.
Conflict of Interest Disclosures: Dr Della Santina holds an equity interest in and is an officer of Labyrinth Devices, LLC. He has been a consultant to Cochlear Corporation and is currently a consultant to MED-EL Gmbh and Novartis. The terms of these arrangements are managed by the Johns Hopkins University Office of Policy Coordination in accordance with University policies on potential conflicts of interest. No other disclosures are reported.
Funding/Support: This work was supported in part by the Johns Hopkins Vestibular NeuroEngineering Laboratory Research Fund. Dr Ward was supported by National Institute on Deafness and Other Communication Disorders (NIDCD) grant T32DC000027 and Dr Della Santina by NIDCD grant R01DC009255.
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: David E. Newman-Toker, MD, PhD, Johns Hopkins University School of Medicine, provided helpful input on national health care costs associated with dizziness-related emergency room visits and advice on drafting of the manuscript.