Affiliation: | 1. From the Emergency Medical Services, Helsinki University Central Hospital (TP, TV, MK), Helsinki;2. the Department of Neurology, Helsinki University Central Hospital (OH, LS, PJL), Helsinki;3. and the Program of Molecular Neurology, University of Helsinki (PJL), Helsinki, Finland. Dr. V?yrynen is currently with the Department of Emergency Medicine, Vaasa Central Hospital, Vaasa, Finland. |