Report of the 20th European Stroke Conference, Hamburg, May 24-27, 2011.

ies, two educational symposia, eight mini-symposia and six newly organised academic symposia – all very well attended by more than 3,000 registered clinicians and basic scientists with interest in stroke research from all around the globe – we selected two for this Conference Report, nicely demonstrating the broad scope of topics addressed as well as the success made through recent research. The editor and publisher of Cerebrovascular Diseases are grateful for the kind and timely cooperation of the authors to prepare manuscripts of their presentations. Michael G. Hennerici Chairman Programme Committee ESC Editor Cerebrovascular Diseases The 20th meeting of the European Stroke Conference (ESC) was held in Hamburg, Germany, May 24–27, 2011. Weather conditions were excellent and the programme of the two-decade anniversary of the ESC has increased to top levels never before reached: while the first meeting was organised in Düsseldorf, Germany (May 10–12, 1990) and included 190 abstracts presented from 28 countries (55 oral and 135 poster presentations), in 2011 abstract submission had increased to 1,342 from 64 countries, which resulted in 312 oral and 830 scientific poster presentations covering over 20 subjects of stroke research. Among the series of eleven satellite symposia, ten teaching courses, three joint symposia of stroke-related societPublished online: December 1, 2011