1. Division of Gastroenterology and HepatologyUniversity of Missouri School of Medicine One Hospital Drive CE 405ColumbiaMissouri65212
2. Missouri Cancer Registry and Research CenterUniversity of Missouri at Columbia 401 Clark HallColumbiaMissouri65211
3. Section of Gastroenterology Loma Linda VA Medical Center Loma Linda University Medical Center Loma Linda California
4. Department of Health Management and InformaticsUniversity of Missouri School of Medicine One Hospital Drive CE707 CS&E BldgColumbiaMissouri65212