1 Pediatric Neurology Unit, Department of Pediatrics, Postgraduate Institute of Medical; Education and Research, Chandigarh, India. Electronic address: jsh2003@gmail.com.
2 Department of Pediatric Neurology, Amrita Institute of Medical Sciences, Faridabad, India.
3 Faculty of Medicine, University of Colombo, Colombo, Sri Lanka.
4 Department of Paediatrics and Child Health, Medical College, Aga Khan University, Nairobi, Kenya.