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# Methods  We searched PubMedfrom time to time during 2015  using the search strategy: ("Tic Disorders"[MeSH] OR Tourette NOT Tourette[AU]) AND 2015[PDAT]. This search returned 202 citations on 22 Jan 2016. We also reviewed F1000Prime recommendations and presentations of interest at selected medical conferences. Articles were chosen based on a purely subjective assessment of interest, guided by our judgment of their possible future impact on the field. Many sections conclude with short tables providing briefer comments about additional articles.