The National Polyp Study at 40: challenges then and now

Affiliations

• ¹ Gastroenterology, Hepatology and Nutrition Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
• ² Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
• ³ Department of Pathology and Laboratory Medicine, Boston University Medical Center, Boston, Massachusetts, USA.
• ⁴ Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
• ⁵ Department of Medicine, Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, New York, USA.