Sponsorized Chair on Otological Research Salvat-Biotech Laboratories-Autónoma de Madrid University, Madrid, Spain
2.Department of Pathology, Puerta de Hierro Majadahonda University Hospital, Autónoma de Madrid University, Madrid, Spain
3.Department of Otorhinolaringology, Puerta de Hierro Majadahonda University Hospital, Autónoma de Madrid University, Madrid, Spain