- Correspondence to Dr Daniela Lucini, Dipartimento di Riabilitazione e Recupero Funzionale, IRCCS Istituto Clinico Humanitas, Rozzano, Italy;
- Received June 28, 2012
- Revised September 11, 2012
- Accepted September 18, 2012
- First published October 19, 2012.
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