Proposed changes to current definitions of ICHD-3 regarding headache and facial pain attributed to the disorder of the nose or paranasal sinuses. - Straburzyński M; Agius AM; Hopkins C; Luong AU; De Corso E; May A; Smith TL; Zwetsloot CP; Orlandi RR; Fokkens W (Cephalalgia : an international journal of headache, 2026)