Gastroesophageal Reflux

• Research Site — Hefei, Anhui, China
• Research Site — Chongqing, Chongqing Municipality, China
• Research Site — Fuzhou, Fujian, China
• Research Site — Guangzhou, Guangdong, China

• Healthcare Discoveries, Inc. — San Antonio, Texas, United States

Not specified

• Research Site — Mississauga, Ontario, Canada
• Research Site — Toronto, Ontario, Canada

Not specified

• Dep. Medicine II, University Hospital Mannheim — Mannheim, Germany

• Dept. of Gastroenterology, UMC Utrecht — Utrecht, Netherlands

• University of South Alabama — Mobile, Alabama, United States
• NW Allied Bariatric and Foregut Surgery — Tucson, Arizona, United States
• Keck Hospital of USC — Los Angeles, California, United States
• Institute of Esophageal and Reflux Surgery — Englewood, Colorado, United States

• Johns Hopkins Hospital — Baltimore, Maryland, United States

• Johns Hopkins Bayview Medical Center — Baltimore, Maryland, United States