Investigators: Evgenia Vassou, Eleftheria Iliadou, Nikolaos Markatos, Dimitrios Kikidis, Athanasios Bibas
Status: on-going, recruitment completed.
A' Otorhinolaryngology Clinic of the University of Athens
Athens Hippokrateion Hospital, 114 Vas. Sofias Street, Ampelokipi 115 27, Athens, Greece
Phones: +30 213 20 88 030
+30 213 20 88 031
Fax: 213 20 88 402