Heartburn

• Peking University First Hospital — Beijing, Beijing Municipality, China
• Peking Union Medical College Hospital — Beijing, Beijing Municipality, China
• Chongqing Three Gorges Central Hospital — Chongqing, Chong Qing, China
• Zhongshan Hospital Xiamen University — Xiamen, Fujian, China

• University of South Alabama — Mobile, Alabama, United States
• Bapist Health — Heber Springs, Arkansas, United States
• University of Southern California — Los Angeles, California, United States
• UCSD — San Diego, California, United States

• The University of Kansas Medical Center — Kansas City, Kansas, United States

• Digestive Health Center, University of Louisville Hospital — Louisville, Kentucky, United States

• Mayo Clinic — Rochester, Minnesota, United States

• Oklahoma Foundation for Digestive Research — Oklahoma City, Oklahoma, United States
• St. Anthony Hospital - Conference Rooms — Oklahoma City, Oklahoma, United States

• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States

Not specified

• The Oklahoma Foundation for Digestive Research — Oklahoma City, Oklahoma, United States

• King's College London — London, United Kingdom