1. a Division of Hematology/Oncology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
2. b Division of Hematology/Medical Oncology, Vanderbilt University, Nashville, Tennessee, USA
3. c Digestive Oncology Unit, University Hospital Gasthuisberg, Leuven, Belgium
4. d Division of Hematology/Oncology, Northwestern University, Chicago, Illinois,USA
5. e Oregon Health & Science University Cancer Institute, Portland, Oregon, USA
6. f Division of Hematology/Oncology, University of Alabama School of Medicine, Birmingham, Alabama, USA
7. g Division of Medical Oncology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
8. h Division of Medical Oncology, University of Southern California, Los Angeles, California, USA
9. i Divisions of Medical Science and Population Science, Fox Chase Cancer Center, Philadelphia, Pennsylvania, USA
10. j Division of Hematology/Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, USA
11. k Division of Hematology/Oncology, University of Texas Southwestern Medical Center Dallas, Texas, USA
12. l Department of Adult Health Nursing, Rush University Medical Center, Chicago, Illinois, USA
13. m University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
14. n Department of Nursing at University of California San Francisco Medical Center, San Francisco, California, USA