pl 

ages (TSurveyAudience)

pl 

country (TSurveyAudience)

pl 

countrySubdivision (TSurveyAudience)

pl 

gender (TSurveyAudience)

pl 

languages (TSurveyAudience)

pl 

mobileAppPanelId (TSurveyAudience)

pl 

populationSource (TSurveyAudience)