19 Neurology, Inselspital, University Hospital Bern and University of Bern, Bern, Switzerland.
20 University of Perugia, Perugia, Italy.
21 University Medical Centre, Utrecht, The Netherlands.
22 Kobe City Medical Centre General Hospital, Kobe, Japan.
23 University of Tsukuba, Tsukuba, Japan.
24 Hyogo College of Medicine, Nishinomiya, Japan.
25 CHU Nantes, Nantes, France.
26 Hospital Universitário Santa Maria, Lisbon, Portugal.
27 Hospital Clinico Universitário, Santiago de Compostela, Espana.
28 The Methodist Hospital, Houston, Texas, USA.
29 University of Kentucky, Lexington, Kentucky, USA.
30 Herbert Wertheim College of Medicine, Florida International University, Miami Cardiac and Vascular Institute, Baptist Hospital, Miami, Florida, USA.
31 UCLA, Los Angeles, California, USA.
32 Marcus Stroke and Neuroscience Center, Grady Memorial Hospital, Emory University School of Medicine, Atlanta, Georgia, USA.
33 University of Heidelberg, Heidelberg, Germany.
34 Danube University Krems, Krems, Austria.
35 Melbourne Brain Centre at Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia.
36 Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa.