1 Pediatric Neurology Unit, Department of Pediatrics, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India. Electronic address: doc.priyanka72@gmail.com.
2 Department Of Psychiatry, All India Institute of Medical Sciences (AIIMS), Delhi, India. Electronic address: shivaliaggarwal88@gmail.com.
3 Department of Psychiatry, Radix Healthcare Hospital, Delhi, India.