Correspondence: Kensuke Adachi, MD, PhD, Department of Surgery, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu, Tokyo, 183-8524, Japan (firstname.lastname@example.org).
Accepted for Publication: February 24, 2012.
Author Contributions:Study concept and design: Adachi. Acquisition of data: Adachi and Takuma. Analysis and interpretation of data: Adachi, Enatsu, and Ishizawa. Drafting of the manuscript: All authors. Critical revision of the manuscript for important intellectual content: Adachi. Administrative, technical, and material support: All authors. Study supervision: Adachi.
Conflict of Interest Disclosures: None reported.