1. Department of Surgery, Duke University Medical Center, Durham, North Carolina
2. Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina3Duke Cancer Institute, Durham, North Carolina
3. Department of Surgery, Duke University Medical Center, Durham, North Carolina3Duke Cancer Institute, Durham, North Carolina
4. Department of Surgery, Duke University Medical Center, Durham, North Carolina3Duke Cancer Institute, Durham, North Carolina4Duke Clinical Research Institute, Durham, North Carolina5Deputy Editor, JAMA Surgery