1. Children with Special Needs Research Department, Medical Research and Clinical Studies Institute National Research Centre Cairo Egypt
2. Learning Disability and Neurorehabilitation Research Field, Medical Research Centre of Excellence National Research Centre Cairo Egypt
3. Pediatric Neurology Research Field, Medical Research Centre of Excellence National Research Centre Cairo Egypt
4. Ophthalmology Research Field, Medical Research Centre of Excellence National Research Centre Cairo Egypt
5. Irlen Egypt Center Cairo Egypt