From the Department of Surgery, Emory University School of Medicine, Atlanta, GA.
Reprints: John F. Sweeney, MD, Department of Surgery, Emory University School of Medicine, 1364 Clifton Rd, NE Ste B206, Atlanta, GA 30322. E-mail: [email protected].
Supported in part by NIH/NIA 1RC4AG039071-01.
Disclosure: The author declares no conflicts of interest.
doi: 10.1097/SLA.0b013e318297a37e