| Affiliation: | 1. Department of Gastrointestinal Oncology, Moffitt Cancer Center, Tampa, Florida, USA;2. Department of Medicine, University of North Carolina Lineberger Comprehensive Cancer Center, Chapel Hill, North Carolina, USA;3. Department of Medicine, Virginia Commonwealth University Health System, Richmond, Virginia, USA;4. University of New Mexico Comprehensive Cancer Center, Albuquerque, New Mexico, USA;5. Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, Florida, USA;6. Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA |
