Development of a Core Outcome Set for Children Aged 1-18 Years with Gastroesophageal Reflux Disease Vrije Universiteit Brussel
Objective: To develop a core outcome set for clinical studies assessing gastroesophageal reflux disease (GERD) in children. Study design: This core outcome set was developed using a 2-round Delphi technique and adhering to the Outcome Measures in Rheumatology Initiative (OMERACT 2.0) recommendations. Healthcare professionals (HCPs) and (parents of) children (age 1-18 years) with a GERD diagnosis (ie, the presence of bothersome symptoms), ...