1. Division of Thoracic Surgery, Swedish Cancer Institute, Seattle, WA
2. Department of Thoracic and Cardiovascular Surgery, University of Texas MD Anderson Cancer Center, Houston, TX
3. Stanford Multidimensional Program for Innovation and Research in the Esophagus (S-MPIRE), Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, CA USA
4. AMC: Department of Gastroenterology and Hepatology, Amsterdam, Netherlands