1. Endourology Section, Clinics Hospital, University of Sao Paulo Medical School, Sao Paulo, Brazil.
2. Endourology Section, Hospital Brigadeiro, Sao Paulo, Brazil.
3. Department of Urology, Ankara University School of Medicine, Ankara, Turkey.
4. Endourology Section, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel.
5. Department of Urology, Marmara University School of Medicine, Istanbul, Turkey.
6. Kidney Stone Program, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.
7. Department of Urology, UCSF School of Medicine, San Francisco, California, USA.
8. Department of Urology, Cottolengo Hospital, Torino, Italy.
9. Hospital Regional de Alta Especialidad del Bajío, León, Mexico.
10. Department of Urology, Fundació Puigvert, UniversitatAutònoma de Barcelona, Barcelona, Spain.
11. Department of Urology, Ospedale S Croce e Carle Cuneo, Cuneo, Italy.
12. Glickman Urological and Kidney Institute, Cleveland, Ohio, USA.