1. Centre for Augmentative and Alternative Communication, University of Pretoria, Pretoria 0028, South Africa
2. Centre for World Cinemas and Digital Cultures, University of Leeds, Leeds LS2 9JT, UK
3. School of Education, University of Leeds, Leeds LS2 9JT, UK
4. Hope and Homes for Children, Wiltshire SP3 4LZ, UK
5. Department of Occupational Therapy, University of Pretoria, Pretoria 0028, South Africa