Table 1.

Inclusion and exclusion criteria for studies.

Category	Inclusion	Exclusion
Population	• Bilingual, minority-language speakers, minoritized-language speakers AND • Disorders (Neurodevelopmental, ASD, Asperger's, PDD-NOS, ADD, ADHD, Down's Syndrome, Global developmental delay, Intellectual Disability, Language Disorder, Language Impairment, Communication Disorder (Developmental Language Disorder, Speech Sounds Disorders, Social Communication (Pragmatic) Disorder), and Learning Disorders)	• Other NDDs beyond our inclusion criteria
Context	• Clinical services in healthcare or educational settings, e.g., medical doctors, SLPs, SLTs, psychologists, social workers, doctors, nurses, occupational therapists, physiotherapists, and administrators • Early educators (ABA therapists, psycho-educator etc.) • Parents and caregivers of individuals with NDDs • Individuals with NDDs	• Other school workers (E.g., teachers and educational assistants)
Types of evidence	• Original research	• Reviews • Conference abstracts or posters • Government documents • Dissertations • Other “gray” literature
Concept	• Actual or perceived barriers to healthcare or educational services, e.g., beliefs about second language access or ability in children with NDDs • Knowledge of bilingualism in individuals with NDDs • Access or utilization of healthcare for minoritized language speakers with NDD