1. Department of Urology, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain.
2. Department of Surgery, Hospital del Mar, Barcelona, Spain.
3. Biomedical Synergy, Electronic Engineering Department, Universidad Politécnica de Valencia, Valencia, Spain.
4. Department of Pathology, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain.
5. Department of Animal Pathology and Surgery, Veterinary Faculty, University of Zaragoza, Zaragoza, Spain.
6. Department of Surgery A, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain.