- Correspondence to Professor Carlo Cianchetti, Neuropsichiatria Infantile, Azienda Ospedaliero-Universitaria, University of Cagliari, Cagliari I-09124, Italy;
- Received July 3, 2014
- Revised August 28, 2014
- Accepted September 7, 2014
- First published October 6, 2014.
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