1 Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia.
2 Department of Neurology, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana-Universidad del Desarrollo, Santiago, Chile.
3 University Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece.
4 Department of Neurosurgery, Penn State University, Hershey, Pa.
5 Neurology Department, Royal Adelaide Hospital, Adelaide, South Australia, Australia; Department of Medicine, University of Adelaide, Adelaide, South Australia, Australia.
6 Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy.
7 Neurology Department, Helios Dr Horst-Schmidt-Kliniken, Wiesbaden, Germany.
8 Department of Neurology, University of Miami Miller School of Medicine, Miami, Fla.
9 Department of Vascular and Endovascular Surgery, Acute Regional Hospital Slagelse, Copenhagen & South Denmark University, Copenhagen, Denmark.