1 Department of Endocrinology, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwavidyapeetham, Cochin, Kerala, India.
2 Department of Endocrinology, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwavidyapeetham, Cochin, Kerala, India. nishab@aims.amrita.edu.
3 Department of Paediatric Neurology, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwavidyapeetham, Cochin, Kerala, India.