Author Contributions: Dr Schluger had full
access to all of the data in the study and takes responsibility for the integrity
of the data and the accuracy of the data analysis.
Study concept and design: Geng, Burzynski,
Acquisition of data: Geng, Kreiswirth, Burzynski.
Analysis and interpretation of data: Geng,
Drafting of the manuscript: Geng, Burzynski,
Critical revision of the manuscript for important
intellectual content: Geng, Kreiswirth, Schluger.
Statistical analysis: Geng, Schluger.
Obtained funding: Schluger.
Administrative, technical, or material support:
Geng, Burzynski, Schluger.
Study supervision: Kreiswirth, Burzynski, Schluger.
Financial Disclosures: None reported.
Funding/Support: Supported in part by grant
K24 HL004074 from the National Heart, Lung, and Blood Institute of the National
Institutes of Health.
Role of the Sponsor: The NIH played no role
in the design and conduct of the study; collection, management, analysis,
or interpretation of the data; or preparation, review, or approval of the