1. From the Department of Surgery, Barnes-Jewish Hospital and Washington University School of Medicine, St Louis, MO (Zarate Rodriguez, Cos, Koenen, Cook, Kasting, Raper, Guthrie, Strasberg, Hawkins, Hammill, Fields, Chapman, Eberlein, Kozower, Sanford)
2. the Alvin J Siteman Cancer Center, Washington University School of Medicine, St Louis, MO (Strasberg, Hawkins, Hammill, Fields, Chapman, Eberlein, Kozower, Sanford).