Fig. 1. Flowchart of recruitment of healthy controls (HC) and patients with sub-types of gastroesophageal reflux disease (GERD) and GERD-related disorders. EES, extra-esophageal symptoms; NERD, non-erosive reflux disease; FH, functional heartburn; EE, erosive esophagitis; BE, Barrett’s esophagus; GERD-AD, GERD symptoms with anxiety and depression.
© J Neurogastroenterol Motil
