1. Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina2Duke Cancer Institute, Duke University School of Medicine, Durham, North Carolina3Department of Medicine, Duke University School of Medicine, Durham, North Caroli
2. Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina
3. Hutchinson Institute for Cancer Outcomes Research, Public Health Sciences Division and Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington5Division of Medical Oncology, Department of Medicine, University of Washington S
4. Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina3Department of Medicine, Duke University School of Medicine, Durham, North Carolina