Author Contributions: Drs Palmer and Strippoli had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis
Study concept and design: Palmer, Craig, Strippoli.
Acquisition of data: Palmer, Strippoli.
Analysis and interpretation of data: Palmer, Hayen, Macaskill, Pellegrini, Craig, Elder, Strippoli.
Drafting of the manuscript: Palmer, Pellegrini, Craig, Strippoli.
Critical revision of the manuscript for important intellectual content: Palmer, Hayen, Macaskill, Craig, Elder, Strippoli.
Statistical analysis: Hayen, Macaskill, Pellegrini, Strippoli.
Obtained funding: Strippoli.
Administrative, technical, or material support: Strippoli.
Study supervision: Craig, Strippoli.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Palmer reported receiving assistance to travel for study supervision from the Amgen Dompe fellowship to the Consorzio Mario Negri Sud. Dr Elder reported being on the advisory boards of Amgen Australia and Shire Australia, being on the speakers bureaus for Amgen Australia, Genzyme Australia, Shire Australia, and Abbott Australia, and receiving a research grant from Roche Pharmaceuticals. No other disclosures were reported.
Funding/Support: Dr Palmer was the recipient of a Don and Lorraine Jacquot Fellowship from the Royal Australasian College of Physicians and received support from an unrestricted Amgen Dompé Consorzio Mario Negri Fellowship. Dr Macaskill reported receiving grant support administered through the University of Sydney to fund a program of research in screening and diagnostic testing from the Australian National Health and Medical Research Council.
Role of the Sponsors: The funding sources had no role in any stage of the design and conduct of the study; in the collection, management, analysis, and interpretation of data in the study; or in the preparation, review, or approval of the manuscript.