1. Telethon Kids Institute, The University of Western Australia, Nedlands, Australia
2. Department of Paediatrics and Adolescent Medicine, Center for Rett Syndrome, Copenhagen, Denmark
3. University of Haifa, Haifa, Israel
4. Ariel University, Ariel, Israel
5. Israeli Rett syndrome National evaluation team
6. Curtin School of Allied Health, Curtin University, Perth, Australia