title: The costs of headache disorders.
authors.affiliation: CEIS, EEHTA, University Tor Vergata, Rome, Italy. f.mennini@uniroma2.it.|Institute for Leadership and Management, Kingston University, London, UK. f.mennini@uniroma2.it.
authors.forename: Francesco Saverio
authors.initials: FS
authors.lastname: Mennini
authors.affiliation: CEIS, EEHTA, University Tor Vergata, Rome, Italy.
authors.forename: Lara
authors.initials: L
authors.lastname: Gitto