1. Department of Uro-Neurology and The National Hospital for Neurology and Neurosurgery, UCL Institute of Neurology, London, UK/Pitié-Salpêtrière Academic Hospital, Department of Urology, Assistance Publique-Hôpitaux de Paris, Pierre and Marie Curie Medical School, Paris 6 University, Paris, France
2. Department of Uro-Neurology and The National Hospital for Neurology and Neurosurgery, UCL Institute of Neurology, London, UK
3. Department of Clinical Microbiology, University College London Hospital, London, UK
4. Queen Square Multiple Sclerosis Centre, The National Hospital for Neurology and Neurosurgery, UCL Institute of Neurology, London, UK