Affiliation: | (1) Department of Medical Oncology and Radiotherapy, The Norwegian Radium Hospital, 0310 Montebello, Oslo 3, Norway;(2) Department of Medical Oncology and Radiotherapy, Regional and University Hospital Trondheim, 7006 Trondheim, Norway;(3) Department of Therapeutic Oncology and Radiophysics, University of Bergen, 5021 Haukeland, Bergen, Norway;(4) Department of Medical Oncology and Radiotherapy, Office for Clinical Investigations, The Norwegian Radium Hospital, 0310 Montebello, Oslo 3, Norway;(5) Central Laboratory, The Norwegian Radium Hospital, 0310 Montebello, Oslo 3, Norway |