Statement 6: Gastroesophageal reflux disease can cause various extra-esophageal symptoms such as cough, asthma, hoarseness, or non-cardiac chest pain. Extra-esophageal gastroesophageal reflux disease symptoms may or may not be accompanied by typical gastroesophageal reflux disease symptoms.      Level of evidence: NA      Strength of recommendation: NA      Experts’ opinions: agree strongly (62.2%), agree with some reservations (35.6%), undecided (2.2%), disagree (0.0%), and disagree strongly (0.0%)