Affiliation: | 1 Surgical Oncology Fellow, Roswell Park Cancer Center, Buffalo, New York 2 Professor of Medicine, Dr. Harold Bonnstetter Endowed Chair in Preventive Medicine, Creighton University School of Medicine, Omaha, Nebraska 3 Instructor in Preventive Medicine, Creighton University School of Medicine, Omaha, Nebraska 4 Associate Professor of Surgery, Director, Sections of Surgical Oncology and Endocrine Surgery, University of Iowa College of Medicine, Iowa City, Iowa |