title: Navigation-aided endoscopic sinus surgery.
authors.affiliation: Division of Maxillofacial Surgery Surgical Science Department Città della Salute e della Scienza Hospital University of Torino Torino, Italy emanuele.zavattero@gmail.com.
authors.forename: Emanuele
authors.initials: E
authors.lastname: Zavattero
authors.forename: Stefano
authors.initials: S
authors.lastname: Viterbo
authors.forename: Giovanni
authors.initials: G
authors.lastname: Gerbino
authors.forename: Guglielmo
authors.initials: G
authors.lastname: Ramieri