1. Departments of Neurophysiology, Bay of Plenty District Health Board, Tauranga Hospital 829 Cameron Road, Tauranga Tauranga Bay of Plenty 3112 New Zealand
2. Department of Neuroscience, Section of Rehabilitation University of Padua Padua Italy
3. Department of Clinical and Movement Neurosciences UCL Queen Square Institute of Neurology London UK
4. Department of Neurology, Wellington Hospital Wellington New Zealand
5. Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
6. Department of Geriatrics and Orthopaedics Catholic University of the Sacred Heart Rome Italy
7. Department of Neurology, Auckland District Health Board Auckland New Zealand
8. Centre of Brain Research Neurogenetics Research Clinic University of Auckland New Zealand