- Correspondence to Dr Carlo Senore, Centro Prevenzione Oncologica Regione Piemonte and Azienda Ospedaliero-Universitaria S Giovanni Battista di Torino, V San Francesco da Paola 31, 10123 Torino, Italy;
- Revised February 21, 2012
- Accepted February 29, 2012
- First published March 22, 2012.
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