1. Unit of Clinical Pharmacology and Pharmacogenetics; Department of Clinical and Experimental Medicine; University of Pisa; Pisa Italy
2. Medical Oncology Unit; Department of Translational Research and New Technologies in Medicine; University of Pisa; Pisa Italy
3. Section of Statistics; Department of Clinical and Experimental Medicine; University of Pisa; Pisa Italy
4. Department of Internal Medicine; University of Pavia; Pavia Italy
5. Division of Translational Oncology; I.R.C.C.S. Istituti Clinici Scientifici Maugeri; Pavia Italy
6. Division of Cancer Medicine; Department of Genitourinary Medical Oncology; University of Texas MD Anderson Cancer Centre; Houston TX USA
7. Department of Clinical Chemistry; Erasmus University Medical Centre; Rotterdam The Netherlands
8. Department of Urology; Erasmus University Medical Centre; Rotterdam The Netherlands