title: Authors' reply.
authors.affiliation: Hematology Unit, S. Eugenio Hospital, Rome, Italy.
authors.forename: Andrea
authors.initials: A
authors.lastname: Tendas
authors.forename: Luca
authors.initials: L
authors.lastname: Cupelli
authors.forename: Laura
authors.initials: L
authors.lastname: Scaramucci
authors.forename: Massimiliano
authors.initials: M
authors.lastname: Palombi
authors.forename: Malgorzata Monika
authors.initials: MM
authors.lastname: Trawinska
authors.forename: Marco
authors.initials: M
authors.lastname: Giovannini
authors.forename: Gregorio Antonio
authors.initials: GA
authors.lastname: Brunetti
authors.forename: Claudio
authors.initials: C
authors.lastname: Cartoni
authors.forename: Francesco
authors.initials: F
authors.lastname: Bondanini
authors.forename: Paolo
authors.initials: P
authors.lastname: de Fabritiis
authors.forename: Pasquale
authors.initials: P
authors.lastname: Niscola