1. Division of Health Outcomes Research and Quality, Department of Surgery, Penn State College of Medicine, Hershey, Pennsylvania
2. Division of Health Services and Behavioral Research, Department of Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania
3. Department of Internal Medicine, The University of Texas Health Sciences Center at Houston, Houston
4. Department of Pharmacy Clinical Programs, the University of Texas MD Anderson Cancer Center, Houston
5. Division of Hematology and Oncology, Vanderbilt-Ingram Cancer Center, Nashville, Tennessee
6. Division of Biostatistics and Bioinformatics, Department of Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania
7. Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston
8. Department of Colon and Rectal Surgery, The University of Texas MD Anderson Cancer Center, Houston
9. Department of Health Services Research, The University of Texas MD Anderson Cancer Center, Houston