1. Speech Therapist, Rehabilitation Centre A.I.R.R.I, Rome, Italy
2. Department of Education and Human Sciences, University of Modena and Reggio Emilia, Reggio Emilia, Italy
3. Speech Therapist, TSRMEE-DA, Montefiascone, Italy
4. Telethon Kids Institute, The University of Western Australia, Perth, WA, Australia
5. School of Physiotherapy and Exercise Science, Curtin University, Perth, WA, Australia