1. National Institute of Neurosciences and Hospital Dhaka Bangladesh
2. Department of Pediatric Neurology National Institute of Neurosciences and Hospital Dhaka Bangladesh
3. Department of Clinical Neurology National Institute of Neurosciences and Hospital Dhaka Bangladesh
4. Department of Paediatric Neurology National Institute of Neurosciences and Hospital Dhaka Bangladesh
5. Department of Neurophysiology National Institute of Neurosciences and Hospital Dhaka Bangladesh
6. Neurology Sir Salimullah Medical College Dhaka Bangladesh
7. Autism & Child Development Center Chattogram Maa O Shishu Hospital Medical College Agrabad, Chattogram Bangladesh
8. Sylhet MAG Osmani Medical College Sylhet Bangladesh
9. Pediatrics Rangpur Medical College Hospital Rangpur Bangladesh
10. Neurology Shaheed Sheikh Abu Naser Specialized Hospital Khulna Bangladesh
11. Neurology Sher‐E‐Bangla Medical College Barishal Bangladesh
12. Neurology Rajshahi Medical College Rajshahi Bangladesh
13. Center for Epidemiologic Research in Asia Shiga University of Medical Science Otsu Japan
14. Mental and Neurology Study Team National Institute of Neurosciences and Hospital Dhaka Bangladesh
15. World Health Organization Regional Office for South‐ East Asia New Delhi India
16. World Health Organization Bangladesh Dhaka Bangladesh