1. Department of Uro-Neurology, National Hospital for Neurology and Neurosurgery, University College London Hospitals National Health Service Foundation Trust, London, United Kingdom
2. Department of Urology, Ludwig-Maximilians-University, München, Germany
3. Second Department of Urology, Aristotle University of Thessaloniki, Papageorgiou Hospital, Thessaloniki, Greece
4. Division of Neuropathology and Department of Neurodegenerative Disease, Institute of Neurology, London, United Kingdom