1 Otolaryngology Head and Neck Surgery Department, Son Espases Universitary Hospital, Carretera Valldemosa, 79, 07210 Palma de Mallorca, Illes Balears, Spain.
2 Otolaryngology Head and Neck Surgery Department, Son Espases Universitary Hospital, Carretera Valldemosa, 79, 07210 Palma de Mallorca, Illes Balears, Spain. Electronic address: pedrosarria@orlmallorca.com.