1. Department of Urology, Hull University Teaching Hospitals, Hull, United Kingdom.
2. Department of Urology, Fondazione PTV Policlinico Tor Vergata University Hospital, Rome, Italy.
3. School of Allied Health, Anglia Ruskin University, Cambridge, United Kingdom.
4. Department of Urology, Cambridge University Hospitals, Cambridge, United Kingdom.
5. Department of Urology, Clinique Saint Augustin, Bordeaux, France.
6. Department of Surgical Sciences, University of Rome Tor Vergata, Rome, Italy.