1. The Stone Centre at Vancouver General Hospital, Department of Urologic Sciences, University of British Columbia, Vancouver, British Columbia, Canada.
2. Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, British Clumbia, Canada.
3. Department of Urology, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
4. Department of Urology, Marien Hospital Herne, Ruhr-University of Bochum, Herne, Germany.
5. Department of Biomedical Engineering, Unviersity of British Columbia, Vancouver, British Columbia, Canada.
6. Faculty of Medicine, Division of Urology, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada.