1. Department of Medicine, University of Chicago, and the Argonne Cancer Research Hospital (operated by the University of Chicago for the United States Atomic Energy Commission), Chicago, Ill.
2. Department of Medicine, University of Chicago Hospitals and Clinics, and the Argonne Cancer Research Hospital.
3. Department of Medicine, University, of Chicago Hospitals and Clinics, Dean of the Division of the Biological Sciences, and Director, Argonne Cancer Research Hospital.