1. Scuola Superiore Sant’Anna, Pisa, Italy;
2. Fondazione Toscana Gabriele Monasterio, Pisa, Italy;
3. Department of Pathology, Pisa University Hospital, Pisa, Italy;
4. Azienda Ospedaliera Universitaria Senese, Siena, Italy;
5. Scientific Institute Policlinico San Matteo, University of Pavia, Pavia, Italy