1 Department of Clinical and Movement Neurosciences UCL Queen Square Institute of Neurology London United Kingdom.
2 Division of Neuropathology, The National Hospital for Neurology and Neurosurgery University College London Hospitals National Health Service Foundation Trust London United Kingdom.
3 Department of Neurology University Hospital Heidelberg Germany.
4 Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana," Neuroscience Section University of Salerno Baronissi Italy.