Angel Ramos Macias
From the Department of Otolaryngology, Insular University Hospital of Gran Canaria, Canary Island, Spain
Constantino Morera
From the University Hospital Insular of Gran Canaria the University Hospital "La Fe," Valencia
Manuel Manrique
the University Clinic of Navarra
Luis Garcia-Ibanez
and the Otologic Center "Garcia Ibanez," Barcelona spain
Daniel Perez
From the University Hospital Insular of Gran Canaria
Laura Caballe
the University Hospital "La Fe," Valencia
Alicia Huarte
the University Clinic of Navarra