Gastroesophageal Reflux

• 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

• Ege University Facult of Medicine Gastroenterology Department — Izmir, Turkey (Türkiye)

• Nemours Children's Hospital — Orlando, Florida, United States

• University Hospitals Leuven — Leuven, Vlaams-Brabant, Belgium

• University Hospital Leuven — Leuven, Belgium
• Herz und Diabeteszentrum NRW — Bad Oeynhausen, Germany
• German Heart Institute Berlin — Berlin, Germany
• Deutsches Herzzentrum München — München, Germany

• Universitatsmedizin Gottingen — Göttingen, Germany

Not specified

• Seoul Nat'l University Hospital — Seoul, South Korea

• Universidad CEU Cardenal Herrera — Valencia, Spain

• Naval Medical Center Portsmouth — Portsmouth, Virginia, United States