1 Second Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, University General Hospital "Attikon", 1 Rimini St, 124 62, Athens, Greece. akleisoura@hotmail.com.
2 Second Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, University General Hospital "Attikon", 1 Rimini St, 124 62, Athens, Greece.
3 Department of Otolaryngology, Korgialenio Benakio Hospital, Athens, Greece.