1. Department of Speech and Hearing Sciences University College Cork Cork Ireland
2. Department of Speech and Language Sciences, School of Education, Communication & Language Sciences Newcastle University Newcastle upon Tyne UK
3. Melbourne Graduate School of Education University of Melbourne Melbourne Vic. Australia
4. Moor House Research and Training Institute, Moor House School & College London UK
5. Division of Psychology and Language Sciences University College London London UK
6. Division of Human Communication Sciences, Health Sciences School The University of Sheffield Sheffield UK
7. Department of Educational Studies The Ohio State University Columbus OH USA
8. Research Unit of Logopedics, Faculty of Humanities University of Oulu Oulu Finland
9. Curtin School of Allied Health Curtin University Perth WA Australia
10. Speech and Language Murdoch Children's Research Institute Melbourne Vic. Australia
11. Department of Audiology and Speech Pathology University of Melbourne Melbourne Vic. Australia
12. Speech Pathology Department Royal Children's Hospital Melbourne Vic. Australia
13. Sydney School of Health Sciences The University of Sydney Camperdown NSW Australia
14. HIST Health Research Institute and School of Allied Health University of Limerick Limerick Ireland
15. Department of Speech, Language, Hearing: Sciences & Disorders University of Kansas Lawrence KS USA
16. Department of Communication Sciences & Disorders University of Delaware Newark DE USA