Developmental trajectories of symptom severity and adaptive functioning in an inception cohort of preschool children with autism spectrum disorder

Peter Szatmari, Stelios Georgiades, Eric Duku, Teresa A. Bennett, Susan Bryson, Eric Fombonne, Pat Mirenda, Wendy Roberts Md, Isabel M. Smith, Tracy Vaillancourt, Joanne Volden, Charlotte Waddell, Lonnie Zwaigenbaum, Mayada Elsabbagh, Ann Thompson