Correspondence: Kyle Mueller, BS, Texas A&M Health Science Center College of Medicine, 14 Stone Creek Pl, The Woodlands, TX 77382 (firstname.lastname@example.org).
Accepted for Publication: April 18, 2012.
Published Online: June 12, 2013. 10.1001/jamasurg.2013.308a 10.1001/jamasurg.2013.308b
Author Contributions:Study concept and design: Eckford. Acquisition of data: Mueller and Watson. Analysis and interpretation of data: Eckford. Drafting of the manuscript: Mueller and Watson. Critical revision of the manuscript for important intellectual content: Eckford. Study supervision: Eckford.
Conflict of Interest Disclosures: None reported.