 The European Society for the Study of Tourette syndrome (ESSTS) held its first meeting in 2000, with the goal of increasing awareness about Tourette syndrome in Europe.In 2009, working groups started to formulate the first European guidelines for TS, which were published in 2011.Findings reported in published studies of Tourette syndrome since 1999 have advanced TS science in the areas of genetics, neuroimaging, neurophysiology, and neuropathology.