1. School of Medicine, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS) and Department of Radiology, Center for Molecular Imaging; PUCRS Brain Institute; Porto Alegre RS Brazil
2. Department of Urologic Surgery, School of Medicine, PUCRS; Urologist, Urology Service; Hospital São Lucas (HSL), PUCRS; Porto Alegre RS Brazil
3. Urology Service; Hospital São Lucas (HSL), PUCRS; Porto Alegre RS Brazil
4. Department of Radiology, Center for Molecular Imaging; PUCRS Brain Institute; Porto Alegre RS Brazil
5. School of Medicine; PUCRS; Porto Alegre RS Brazil