Phobia block	Phobi* OR “Phobic Disorders” OR “Specific Phobia” OR “Dental Anxiety” OR “Acrophobia” OR “Claustrophobia”
Intervention block	“Internet-based intervention” OR “Internet-based treatment” OR “Internet-delivered treatment” OR “Internet-delivered intervention” OR “online treatment” OR “Mobile App* OR “mhealth” OR “android” OR “iphone” OR “Smartphone” OR “mobile-based” OR “App” OR “Cell phone” OR “Web-based intervention” OR “Web-based treatment” OR “internet intervention”
Word combination for search in databases	(“Phobi*” AND “Internet-based intervention”) OR (“Phobi*” AND “Internet-based treatment”) OR (“Phobi*” AND “Internet-delivered treatment”) OR (“Phobi*” AND “Internet-delivered intervention”) OR (“Phobi*” AND “online treatment”) OR (“Phobi*” AND “online intervention”) OR (“Phobi*” AND “mobile app*”) OR (“Phobi*” AND “mhealth”) OR (“Phobi*” AND “android”) OR (“Phobi*” AND “iphone”) OR (“Phobi*” AND “smartphone”) OR (“Phobi*” AND “mobile-based”) OR (“Phobi*” AND “app”) OR (“Phobi*” AND “cell phone”) OR (“Phobi*” AND “web-based intervention”) OR (“Phobi*” AND “web-based treatment”) OR (“Phobi*” AND “Internet intervention”) OR (“Phobi*” AND “Internet treatment”) OR (“phobic disorder” AND “Internet-based intervention”) OR (“phobic disorder” AND “internet-based treatment”) OR (“phobic disorder” AND “internet-delivered treatment”) OR (“phobic disorder” AND “internet-delivered intervention”) OR (“phobic disorder” AND “online treatment”) OR (“phobic disorder” AND “online intervention”) OR (“phobic disorder” AND “mobile app*”) OR (“phobic disorder” AND “mhealth”) OR (“phobic disorder” AND “android”) OR (“phobic disorder” AND “iphone”) OR (“phobic disorder” AND “smartphone”) OR (“phobic disorder” AND “mobile-based”) OR (“phobic disorder” AND “app”) OR (“phobic disorder” AND “cell phone”) OR (“phobic disorder” AND “web-based intervention”) OR (“phobic disorder” AND “web-based treatment”) OR (“phobic disorder” AND “internet intervention”) OR (“phobic disorder” AND “internet treatment”) OR (“Specific phobia” AND “Internet-based intervention”) OR (“Specific phobia” AND “internet-based treatment”) OR (“Specific phobia” AND “internet-delivered treatment”) OR (“Specific phobia” AND “internet-delivered intervention”) OR (“Specific phobia” AND “online treatment”) OR (“Specific phobia” AND “online intervention”) OR (“Specific phobia” AND “mobile app*”) OR (“Specific phobia” AND “mhealth”) OR (“Specific phobia” AND “android”) OR (“Specific phobia” AND “iphone”) OR (“Specific phobia” AND “smartphone”) OR (“Specific phobia” AND “mobile-based”) OR (“Specific phobia” AND “app”) OR (“Specific phobia” AND “cell phone”) OR (“Specific phobia” AND “web-based intervention”) OR (“Specific phobia” AND “web-based treatment”) OR (“Specific phobia” AND “internet Intervention”) OR (“Specific phobia” AND “internet treatment”) OR (“Dental Anxiety” AND “Internet-based intervention”) OR (“Dental Anxiety” AND “internet-based treatment”) OR (“Dental Anxiety” AND “internet-delivered treatment”) OR (“Dental Anxiety” AND “internet-delivered intervention”) OR (“Dental Anxiety” AND “online treatment”) OR (“Dental Anxiety” AND “online intervention”) OR (“Dental Anxiety” AND “mobile app*”) OR (“Dental Anxiety” AND “mhealth”) OR (“Dental Anxiety” AND “android”) OR (“Dental Anxiety” AND “iphone”) OR (“Dental Anxiety” AND “smartphone”) OR (“Dental Anxiety” AND “mobile-based”) OR (“Dental Anxiety” AND “app”) OR (“Dental Anxiety” AND “cell phone”) OR (“Dental Anxiety” AND “web-based intervention”) OR (“Dental Anxiety” AND “web-based treatment”) OR (“Dental Anxiety” AND “Internet Intervention”) OR (“Dental Anxiety” AND “Internet treatment”) OR (“Acrophob*” AND “internet-delivered intervention”) OR (“Acrophob*” AND “online treatment”) OR (“Acrophob*” AND “online intervention”) OR (“Acrophob*” AND “mobile app*”) OR (“Acrophob*” AND “mhealth”) OR (“Acrophob*” AND “android”) OR (“Acrophob*” AND “iphone”) OR (“Acrophob*” AND “smartphone”) OR (“Acrophob*” AND “mobile-based”) OR (“Acrophob*” AND “app”) OR (“Acrophob*” AND “cell phone”) OR (“Acrophob*” AND “web-based intervention”) OR (“Acrophob*” AND “web-based treatment”) OR (“Acrophob*” AND “Internet Intervention”) OR (“Acrophob*” AND “Internet treatment”) OR (“Claustrophob*” AND “Internet-based intervention”) OR (“Claustrophob*” AND “Internet-based treatment”) OR (“Claustrophob*” AND “Internet-delivered treatment”) OR (“Claustrophob*” AND “Internet-delivered intervention”) OR (“Claustrophob*” AND “online treatment”) OR (“Claustrophob*” AND “online intervention”) OR (“Claustrophob*” AND “mobile app*”) OR (“Claustrophob*” AND “mhealth”) OR (“Claustrophob*” AND “android”) OR (“Claustrophob*” AND “iphone”) OR (“Claustrophob*” AND “smartphone”) OR (“Claustrophob*” AND “mobile-based”) OR (“Claustrophob*” AND “app”) OR (“Claustrophob*” AND “cell phone”) OR (“Claustrophob*” AND “web-based intervention”) OR (“Claustrophob*” AND “web-based treatment”) OR (“Claustrophob*” AND “Internet intervention”) OR (“Claustrophob*” AND “Internet treatment”)