Accepted for Publication: February 8, 2012.
Published Online: April 16, 2012. doi:10.1001 /archfacial.2012.169
Author Contributions:Study concept and design: Lam, Chiu, and Perkins. Acquisition of data: Chiu and Perkins. Analysis and interpretation of data: Lam, Chiu, and Sie. Drafting of the manuscript: Lam and Perkins. Critical revision of the manuscript for important intellectual content: Lam, Chiu, Sie, and Perkins. Statistical analysis: Lam and Perkins. Administrative, technical, and material support: Chiu. Study supervision: Chiu and Perkins.
Financial Disclosure: None reported.
Online Only Material: Listen to an author interview about this article, and others, at http://bit.ly/MW0LW4. This article is featured in the JAMA Facial Plastic Surgery Journal Club. Go here to download teaching PowerPoint slides.
Previous Presentations: This research was presented at the American Academy of Facial Plastic and Reconstructive Surgery Annual Meeting; October 1-3, 2009; San Diego, California.