Table 2.

Search strategy.

Population
Chronic urticaria (3964)	"chronic urticaria"[MeSH Terms] OR ("chronic"[All Fields] AND “urticaria"[All Fields]) OR "chronic urticaria"[All Fields]
AND
Gender	"gender identity"[MeSH Terms] OR ("gender"[All Fields] AND "identity"[All Fields]) OR "gender identity"[All Fields] OR "gendered"[All Fields] OR "gender s"[All Fields] OR "gendering"[All Fields] OR "genderized"[All Fields] OR "genders"[All Fields] OR "sex"[MeSH Terms] OR "sex"[All Fields] OR "gender"[All Fields]
AND NOT
Systematic review, review, case report, letter

SEARCH TERM PUB MED: (("chronic urticaria"[MeSH Terms] OR ("chronic"[All Fields] AND "urticaria"[All Fields]) OR "chronic urticaria"[All Fields]) AND ("sex"[MeSH Terms] OR "sex"[All Fields] OR ("gender identity"[MeSH Terms] OR ("gender"[All Fields] AND "identity"[All Fields]) OR "gender identity"[All Fields] OR "gendered"[All Fields] OR "gender s"[All Fields] OR "gendering"[All Fields] OR "genderized"[All Fields] OR "genders"[All Fields] OR "sex"[MeSH Terms] OR "sex"[All Fields] OR "gender"[All Fields]))) AND ((humans[Filter]) AND (english[Filter] OR german[Filter]))