1INSERM U1219, France

2Université de Paris, France

3University Hospitals Geneva, , Switzerland

4Department of Clinical and Experimental Sciences, Italy

5Department of Cerebrovascular Medicine, Suita, Japan

6Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano

7University of Tartu, Estonia

8Département de Neurosciences Cliniques, Hôpitaux Universitaire et Faculté de Médecine de Genève Canavero, Switzerland

9Fondazione Istituto Neurologico Carlo Best, Milano

10University of Utah Health, USA

11Department of Cerebrovascular Medicine, Japan

12Stroke Center and Neurology, Inselspital Universitatsspital Bern, Switzerland

13european stroke organization, Switzerland

14european stroke organization, Switzerland

15Inselspital Universitatsspital Bern, Bern

16University of Cambridge, UK

17Neurology and Stroke Centre, Universitatsspital Basel, Switzerland

18University of Utah Health, USA

Stephanie Debette, INSERM U1219, University of Bordeaux 33076, France. Email: [email protected]