1. DIS, Università di Pavia, Pavia, Italy
2. DIS, Università di Pavia
3. Sogess, Milano, Italy
4. Munich Bogenhausen Hospital, Munich, Germany
5. Hospital San Pau, Barcelona, Spain
6. City University, London, United Kingdom
7. DEI, Università di Padova, and 12Padova University Hospital, Padova, Italy
8. IRCCS Policlinico S. Matteo
9. Fondazione S. Maugeri, Pavia, Italy
10. Applied Logic Laboratories, Budapest, Hungary. 10Universidad Politecnica de Madrid, Madrid, Spain. 11Roche Diagnostics, Mannheim, Germany