- Correspondence to Dr Daniele Trevisanuto, Pediatric Department, Medical School, University of Padua, Azienda Ospedaliera di Padova, Via Giustiniani, 3, Padua 35128, Italy;
- Received June 26, 2012
- Revised October 22, 2012
- Accepted November 5, 2012
- First published December 15, 2012.
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