1. Department of Neurology, University of Lisbon, Hospital de Santa Maria, Lisbon, Portugal
2. Department of Neurology, University of Bern, Inselspital, Bern, Switzerland
3. Stroke Programme, Agency for Health Quality and Assessment of Catalonia, CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain
4. Department of Neurology, Medical University of Graz, Graz, Austria
5. Interventional Stroke and Cerebrovascular Disease Treatment Centre, Department of Neuroradiology, Institute of Psychiatry and Neurology, Warsaw, Poland
6. Stroke Programme, Health Department of Catalonia, Spain
7. National Institute of Clinical Neurosciences, Budapest, Hungary
8. National Institute for Stroke & Applied Neurosciences, Auckland, New Zealand
9. Stroke Unit, University of Perugia, Santa Maria della Misericordia Hospital, Perugia, Italy