1. Division of Urological Surgery and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
2. Department of Urology, University Hospital Frankfurt, Frankfurt, Germany.
3. Department of Urology and Neurourology, Marien Hospital Herne, Ruhr-University Bochum, Herne, Germany.
4. Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
5. Department of Urology, King's College London, Guy's and St. Thomas' Hospitals NHS Foundation Trust, Guy's Hospital, London, United Kingdom.