1. Department of Medicine and Surgery ‘Scuola Medica Salernitana’, University of Salerno, Baronissi, I‑84081 Salerno, Italy
2. Department of Urology, Ospedale del Mare, I‑80147 Naples, Italy
3. Department of Chemistry, University of Malta, Msida MSD2080, Malta
4. Department of Urology, Umberto I Hospital, Nocera, Inferiore, I‑84014 Salerno, Italy
5. Department of Medical Biotechnologies, University of Siena, I‑53100 Siena, Italy
6. Department of Civil Engineering, University of Salerno, Fisciano, I‑84084 Salerno, Italy
7. Department of Medicine and Surgery, LUM University, I‑70010 Bari, Italy