[1] Ctr Addict & Mental Hlth, Kimel Family Translat Imaging Genet Lab, Toronto, ON, Canada
[2] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[3] Douglas Mental Hlth Inst, Cerebral Imaging Ctr, Verdun, PQ, Canada
[4] McGill Univ, Dept Psychiat, Montreal, PQ, Canada
[5] McGill Univ, Dept Biomed Engn, Montreal, PQ, Canada