1. Department of Urology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
2. Department of Urology, Tan Tock Seng Hospital, Singapore
3. Department of Urology, AZ Klina, Brasschaat, Belgium
4. Endourology & Urolithiasis Working Group, Young Academic Urologists (YAU), Arnhem, The Netherlands
5. Progressive Endourological Association for Research and Leading Solutions (PEARLS), Paris, France
6. Department of Urology, University Hospital Southampton, Southampton, UK
7. Department of Urology, Haukeland University Hospital, Bergen, Norway
8. Division of Experimental Oncology/Unit of Urology, Urological Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy
9. Department of Urology, University Hospital Ghent, Ghent, Belgium
10. Sorbonne Université, GRC n°20, Groupe de Recherche Clinique sur la Lithiase Urinaire, Hôpital Tenon, F-75020, Paris, France
11. Department of Urology, University Hospital Zurich, University of Zurich, Frauenklinikstrasse 10, CH-8091 Zurich, Switzerland