Affiliation: | 1. ENT Department, “Thriasion” Hospital of Athens, Athens, Greece 2. Pathology Laboratory, “Thriasion” Hospital of Athens, Athens, Greece 3. “Thriasion” Hospital of Athens, Athens, Greece 4. Democritus University of Thrace, PO Box 2206, Palagia, 68100, Alexandroupolis, Greece
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