Key points are not available for this paper at this time.
aDepartment of Surgery, University of Utah, Salt Lake City, UT bNine G Consultants, Salt Lake City, UT. Competing Interests Declared: Both authors hold an ownership interest in Nine G Consultants. *Correspondence address: James McGreevy, MD, FACS, Department of Surgery, University of Utah, 50 N Medical Dr, Salt Lake City, UT 84132. Submitted November 11, 2006; revised February 22, 2007; accepted March 6, 2007.
McGreevy et al. (Sun,) studied this question.