1 IRCCS Ospedale Policlinico San Martino, Genoa, Italy.
2 Department of Surgical and Diagnostic Integrated Sciences (DISC), University of Genoa, Genoa, Italy.
3 IRCCS Ospedale Policlinico San Martino, Genoa, Italy - guglielmo.mantica@gmail.com.
4 Collegium Medicum, Department of Regenerative Medicine, Nicolaus Copernicus University, Bydgoszcz, Poland.
5 School of Medicine, Unit of Andrology and Reconstructive Urology, IDIVAL, Marqués de Valdecilla University Hospital, Cantabria University, Santander, Spain.
6 Department of Urology and Andrology, Careggi Hospital, University of Florence, Florence, Italy.
7 Department of Urology, Medical University of Gdańsk, Gdańsk, Poland.
8 Department of Urology, Asklepios Hospital Barmbek, Hamburg, Germany.
9 Department of Urology, Ghent University Hospital, Ghent, Belgium.
10 Department of Urology, AZ Maria Middelares, Ghent, Belgium.
11 Department of Urology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.