1 From the Department of Medicine and Neurology, Melbourne Brain Centre at the Royal Melbourne Hospital, University of Melbourne, Australia (S.M.D., G.A.D.).
2 Department of Neurology, University of Heidelberg, Germany (W.H.).
3 Department of Clinical Sciences/Neurology, Skane University Hospital, Lund University, Sweden (B.N.).
4 Department for Neurosciences and Preventive Medicine, Danube University Krems, Austria (M.B.).
5 School of Medicine, Dentistry and Nursing, University of Glasgow, United Kingdom (K.R.L.).