1. Department of Physiotherapy, Ariel University, Ariel 4070000, Israel
2. Israeli Rett Syndrome National Evaluation Team, Ramat Gan 5211401, Israel
3. Telethon Kids Institute, Centre for Child Health Research, The University of Western Australia, Nedlands, WA 6009, Australia
4. School of Allied Health, Curtin University, Perth, WA 6102, Australia
5. Department of Paediatrics and Adolescent Medicine, Center for Rett Syndrome, Rigshospitalet, 2100 Copenhagen, Denmark
6. Department of Health System Management, Ariel University, Ariel 4070000, Israel