1. Department of Urology, Istanbul American Hospital, Istanbul, Turkey
2. Koc University School of Medicine, Istanbul, Turkey
3. Department of Urology, Universitätsklinikum Giessen und Marburg GmbH, Marburg, Germany
4. Department of Urology, The Scottish Lithotriptor Centre, Western General Hospital, Edinburgh, Scotland, United Kingdom
5. Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
6. Department of Urology, Changhai Hospital, Shanghai, People's Republic of China
7. Department of Urology Hadassah Hebrew University Hospital (Ein-Karem), Jerusalem, Israel
8. Department of Urology, Academic Medical Center University Hospital, Amsterdam, the Netherlands