Chunk #9 — METHOD — Subjects — deCODE:

Source

Interrogating the Genetic Determinants of Tourette's Syndrome and Other Tic Disorders Through Genome-Wide Association Studies.

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yes

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Participants ages 18 years and older provided written informed consent. Individuals under 18 gave assent; parental permission was also obtained. The study was approved by the human subjects committees at all participating sites.