Table 1.

Inclusion and exclusion criteria used for the assessment of questionnaire eligibility as used in Search 2

Inclusion criteria	Exclusion criteria
Exclusively closed-ended questions	Presence of open-ended questions
Adult population (≥ 18 yrs)	Pediatric population (< 18 yrs)
Copy of questionnaire available	No copy of the questionnaire available
Availability of a development or validation paper in English	No availability of a development or validation paper in English
Questionnaire addressing otology complaints	Proxy-reported questionnaires