[1
]
Department of Neurology, Karolinska University Hospital, Stockholm, Sweden. Electronic
address: sven.palhagen@karolinska.se.
[2
]
Department of Neurology, Karolinska University Hospital, Stockholm, Sweden.
[3
]
Department of Neuroscience, Neurology, Uppsala University, Sweden.
[4
]
Department of Clinical Neuroscience, Sahlgrenska University Hospital, Gothenburg,
Sweden.
[5
]
Department of Neurology, Skane University Hospital, Lund, Sweden.
[6
]
Department of Neurology and Department of Clinical and Experimental Medicine, Linköping
University, Linköping, Sweden.
[7
]
Department of Neurology, Neurocentre Norrlands University Hospital, Umeå, Sweden.
[8
]
Department of Neurology, Molde Hospital HNR, Molde, Norway.
[9
]
Department of Geriatric Medicine and Rehabilitation, Sundsvall Hospital, Sundsvall,
Sweden.