title: O013. Neuro-imaging and history of cases of refractory chronic cluster headache in young patients: a hint for reflections.
authors.affiliation: Foundation Prevention and Therapy Primary Pain and Headache, Florence, Italy. sicuteri@iol.it.
authors.forename: Maria
authors.initials: M
authors.lastname: Nicolodi
authors.affiliation: Foundation Prevention and Therapy Primary Pain and Headache, Florence, Italy.
authors.forename: Anna
authors.initials: A
authors.lastname: Torrini
authors.affiliation: Foundation Prevention and Therapy Primary Pain and Headache, Florence, Italy.
authors.forename: Vanessa
authors.initials: V
authors.lastname: Sandoval
authors.affiliation: Foundation Prevention and Therapy Primary Pain and Headache, Florence, Italy.
authors.forename: Manfredo
authors.initials: M
authors.lastname: Fanfani
authors.affiliation: Foundation Prevention and Therapy Primary Pain and Headache, Florence, Italy.
authors.forename: Ivano
authors.initials: I
authors.lastname: Taddei