1 Bionics Institute, East Melbourne, Australia

2 Medical Bionics Department, University of Melbourne, Parkville, Australia

3 School of Biomedical Engineering, University of Sydney, Camperdown, Australia

4 DBS Technologies Pty Ltd, East Melbourne, Australia

5 National Hospital for Neurology and Neurosurgery, Queen Square, United Kingdom

6 Department of Neurosurgery, Austin Hospital, Heidelberg, Australia

7 Department of Neurosurgery, Cabrini Hospital, Malvern, Australia

8 Department of Neurosurgery, St. Vincent's Hospital, Fitzroy, Australia

9 Department of Surgery, University of Melbourne, Parkville, Australia

10 Department of Neurology, Austin Hospital, Heidelberg, Australia

11 Department of Neurology, The Royal Melbourne Hospital, Melbourne, Australia

12 Department of Medicine, University of Melbourne, Parkville, Australia