Erratum to Eliciting Language Samples for Analysis (ELSA): A New Protocol for Assessing Expressive Language and Communication in Autism. - Barokova MD; La Valle C; Hassan S; Lee C; Xu M; McKechnie R; Johnston E; Krol MA; Leano J; Tager-Flusberg H (Autism research : official journal of the International Society for Autism Research, 2021)