1 Neurology Division, Department of Pediatrics, Lady Hardinge Medical College and Associated Kalawati Saran Children's Hospital, New Delhi, India.
2 Neurology Division, Department of Pediatrics, Lady Hardinge Medical College and Associated Kalawati Saran Children's Hospital, New Delhi, India. sharma.suvasini@gmail.com.
3 Pediatric Neurology Unit, Children's Hospital A. Meyer, Florence, Italy.
4 Department of Pediatrics, Max Superspeciality Hospital, Saket, New Delhi, India.
5 Department of Pediatrics, The Royal Hospital, Ministry of Health, Muscat, Oman.