Affiliation: | 1. Tokyo HP Study Group, Department of Gastroenterology, Juntendo University School of Medicine, , Tokyo, Japan;2. Tokyo Hp Study Group, Department of Gastrointestinal Endoscopy, Tama‐Nagayama University Hospital of Nippon Medical School, , Tokyo, Japan;3. Tokyo HP Study Group, Third Department of Internal Medicine, Kyorin University School of Medicine, , Tokyo, Japan;4. Tokyo HP Study Group, Endoscopy Center, Tokyo Medical University Hospital, , Tokyo, Japan;5. Tokyo Hp Study Group, Department of General Medicine and Primary Care, Tokyo Medical University Hospital, , Tokyo, Japan;6. Tokyo HP Study Group, Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, , Tokyo, Japan;7. Tokyo HP Study Group, Division of Gastroenterology, National Hospital Organization Tokyo Medical Center, , Tokyo, Japan;8. Tokyo HP Study Group, Department of Surgery, Nerima General Hospital, , Tokyo, Japan;9. Tokyo HP Study Group, Department of Gastroenterology, Yotsuya Medical Cube, , Tokyo, Japan;10. Tokyo HP Study Group, Division of Endoscopy, Department of Internal Medicine, St. Luke's International Hospital, , Tokyo, Japan;11. Tokyo HP Study Group, Department of Gastroenterology and Hepatology, Nihon University, School of Medicine, , Tokyo, Japan;12. Tokyo HP Study Group, Torii Medical Clinic, , Tokyo, Japan;13. Tokyo HP Study Group, Department of Gastroenterology and Hepatology, The Jikei University Kashiwa Hospital, , Chiba, Japan;14. Tokyo HP Study Group, Department of Gastroenterology Tokai University School of Medicine, , Kanagawa, Japan;15. Tokyo HP Study Group, Foundation for Detection of Early Gastric Carcinoma, , Tokyo, Japan |