From the Departments of Surgery (K.S., J.A.S.) and Pathology (K.S.), Stavanger University Hospital, Stavanger, Norway; and the Institute of Surgical Sciences (J.A.S.), University of Bergen, Bergen, Norway.
Submitted for publication September 7, 2005.
Accepted for publication September 9, 2005.
Address for reprints: Kjetil Soreide, MD, Departments of Surgery and Pathology, Stavanger University Hospital, N-4068 Stavanger, Norway; email: email@example.com.