1. Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, Dallas, TX, USA
2. Department of Surgery, Gifu University School of Medicine, Gifu, Japan
3. Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
4. Avalon Pharmaceuticals, Germantown, MD, USA
5. Department of Surgery, Veterans General Hospital‐Taipei, Taipei, Taiwan
6. Department of Pathology, University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
7. Department of Anatomic Pathology, Pontificia Universidad Católica de Chile, Santiago, Chile
8. Department of Medicine, Division of Gastroenterology, University of Maryland School of Medicine and Greenebaum Cancer Center, Baltimore, MD, USA