1. Division of Urology, Azienda Ospedaliero-Universitaria “Ospedali Riuniti di Ancona,” Polytechnic University of Marche Region, Ancona, Italy.
2. Department of Urology AP-HP, Sorbonne University, GRC Urolithiasis No. 20 Tenon Hospital, Paris, France.
3. Department of Urology, Singapore General Hospital, Singapore, Singapore.
4. Department of Urology, Cottolengo Hospital of Torino, Torino, Italy.
5. S.H.Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China.
6. Ng Teng Fong General Hospital (NUHS), Singapore, Singapore.