1. Consorzio FENICE, S.M. Misericordia Hospital, Udine, Italy
2. Department of Experimental and Clinical Pathology and Medicine, S.M. Misericordia Hospital, Udine, Italy
3. Clinical Laboratory, S.M. Misericordia Hospital, Udine, Italy
4. Medical Oncology, S.M. Misericordia Hospital, Udine, Italy
5. Department of Surgery, University of Udine, Udine, Italy
6. Human Genome Sciences, Inc., Rockville, Maryland, USA