1. School of Allied Health University of Limerick Limerick Ireland
2. HSE Dublin South West Tallaght Dublin Ireland
3. Department of Communicative Sciences and Disorders Michigan State University East Lansing MI USA
4. ISTAR—Institute for Stuttering Treatment and Research Faculty of Rehabilitation Medicine University of Alberta Edmonton AB Canada
5. Department of Communication Sciences and Disorders Faculty of Rehabilitation Medicine University of Alberta Edmonton AB Canada
6. Ageing Research Centre Health Research Institute University of Limerick Limerick Ireland
7. Health Implementation in Science & Technology Research Group Health Research Institute University of Limerick Limerick Ireland