| Affiliation: | 1. Department of Surgery, Oregon Health & Science University, Portland, OR, 97239, USA;2. Division of Surgical Oncology, Department of Surgery, Mail Code L619, Oregon Health & Science University, Portland, OR 97239, USA;1. Department of Radiology, University of Iowa Hospital and Clinics, 200 Hawkins Drive, Iowa City, IA, 52242, USA;2. Iowa City Veterans Administration Health Care System, Iowa City, IA, USA;3. Department of Radiation Oncology, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA 52241, USA |
