1. U.O Medicina Interna, Policlinico di Monza, Via C. Amati 111, 20900 Monza, Italy
2. Division of Cardiac Surgery, University of Pavia School of Medicine, Foundation “I.R.C.C.S. San Matteo” Hospital, Pavia, Italy
3. Anatomic Pathology, Foundation IRCCS Policlinico San Matteo, University of Pavia, Italy