Accepted for Publication: October 26, 2013.
Published Online: February 19, 2014. doi:10.1001/jamadermatol.2013.9313.
Study concept and design: Janda, Youl, Neale, Gordon, Baade.
Acquisition of data: Janda, Baade.
Analysis and interpretation of data: Janda, Youl, Aitken, Whiteman, Baade.
Drafting of the manuscript: Janda.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Janda, Baade.
Obtained funding: Janda, Youl.
Administrative, technical, or material support: Janda, Youl, Aitken, Baade.
Study supervision: Janda, Whiteman, Baade.
Conflict of Interest Disclosures: None reported.
Funding/Support: This trial was funded by the Australian National Health and Medical Research Committee (project grant 497200; career development fellowships 1045247 to Dr Janda, 552404 to Dr Neale, and 1005334 to Dr Baade; principal research fellowship to Dr Whiteman; and public health early career fellowship 496714 to Dr Gordon).
Role of the Sponsor: The sponsor had no role in the design and conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: We thank Jannah Baker, MBChB, PGDipSci, PGDipPH, for assistance with data analysis and Caitlin Horsham, BPH, Linda Finch, MPsych(Clin), and Josephine Auster, MPH, for research assistance. These individuals are affiliated with the School of Public Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia, and were compensated by project grant 497200.