[1] Univ Florence, Dept Expt & Clin Med, Florence, Italy
[2] Univ Florence, Psychiat Unit, Dept Neuropsychiat Sci, Sexual Med & Androl Unit, Florence, Italy
[3] Thomas Jefferson Univ, Philadelphia, PA 19107 USA
[4] Univ Zagreb, Sch Med, Dept Diagnost & Intervent Radiol, Zagreb, Croatia
[5] Careggi Univ Hosp AOUC, Nephrol Dialysis & Transplant Unit, Florence, Italy
[6] Careggi Univ Hosp AOUC, Med Geriatr Dept, Florence, Italy
[7] Careggi Univ Hosp AOUC, Dept Radiol, Florence, Italy
[8] Bologna Univ Hosp, Dept Radiol, Bologna, Italy
[9] Osped Cattinara, Dept Radiol, Trieste, Italy
[10] Univ Alaska WWAMI, Med Sch, Anat Dept, Anchorage, AK USA