Authors: Evdokia Anagnostou; Lonnie Zwaigenbaum; Peter Szatmari; Eric Fombonne; Bridget A Fernandez; Marc Woodbury-Smith; Jessica Brian; Susan Bryson; Isabel M Smith; Irene Drmic; Janet A Buchanan; Wendy Roberts; Stephen W Scherer Journal: CMAJ Date: 2014-01-13 Impact factor: 8.262