Stomach Ulcer

• Chinese People's Liberation Army General Hospital of Beijing Military — Beijing, China
• Chongqing First People's Hospital — Chongqing, China
• The Second Affiliated Hospital of Chongqing Medical University — Chongqing, China
• Wuhan Union Hospital — Hubei, China

• Abbasi Shaheed Hospital — Karachi, Pakistan
• Dow University of Health Sciences — Karachi, Pakistan
• Dr. Ziauddin University Hospital — Karachi, Pakistan

• Research Site — Yotsukaidou, Chiba, Japan
• Research Site — Fukui-shi, Fukui, Japan
• Research Site — Fukuoka, Japan
• Research Site — Kitakyushu-Shi, Fukuoka, Japan

• Research Site — Ōita, Japan
• Research Site — Saitama, Japan
• Research Site — Tokyo, Japan

• Research Site — Birmingham, Alabama, United States
• Research Site — Tucson, Arizona, United States
• Research Site — Anaheim, California, United States
• Research Site — Lancaster, California, United States

• Kasugai-shi, Aichi-ken, Japan
• Yotsukaido-shi, Chiba, Japan
• Matsuyama, Ehime, Japan
• Fukui-shi, Fukui, Japan

• Tempe, Arizona, United States

• Service d'hépato-gastroentérologie, Hôpital Saint Antoine — Paris, France
• Service d'hépato-gastroentérologie, Hôpital Pitié Salpétrière — Paris, France
• : Service d'hépato-gastroentérologie, Hôpital Henri Mondor — Paris, France
• Service d'hépato-gastroentérologie, Hôpital Paul BROUSSE — Villejuif, France

Not specified

Not specified