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# Methods  We searched PubMed through April, 2016, on 22 Jan 2016  using the search strategy: ("Tic Disorders"[MeSH] OR Tourette NOT Tourette[AU]) AND 2015[PDAT]. This search returned 202 citationson 22 Jan 2016,  and includes articles appearing online in 2015 but not officially published by year end (from journals that still focus on the paper user interface). We also reviewed F1000Prime recommendations and presentations of interest at selected medical conferences. Articles were chosen based on a purely subjective assessment of interest, interest and  guided by our judgment of possible future impact on the field. Many sections conclude with short tables listing additional articles.