. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Autism. 2015 Apr 20;20(2):207–218. doi: 10.1177/1362361315575164
Reprints and permissions: sagepub.co.uk/journalsPermissions.nav DOI: 10.1177/1362361315575164 aut.sagepub.com