From the Department of Surgery, Wilford Hall Medical Center (R.F.), Lackland Air Force Base, and the Department of Surgery, The University of Texas Health Sciences Center (O.L.M., T.C., J.P.K., R.M.S.), San Antonio, Texas.
Submitted for publication March 2, 2002.
Accepted for publication October 3, 2003.
The views expressed herein are those of the authors and do not reflect the official policies of the Department of Defense or other departments of the United States government.
Address for reprints: Ronald M. Stewart, MD, The University of Texas Health Sciences Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900; email: firstname.lastname@example.org.