1. Stanford Center for Biomedical Informatics Research, Stanford University School of Medicine, Stanford, California2Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia
2. Stanford Center for Biomedical Informatics Research, Stanford University School of Medicine, Stanford, California
3. Division of Oncology, Department of Medicine, Stanford University School of Medicine, Stanford, California
4. Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia
5. Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, California