1. Department of Ayurveda Paediatrics, Institute of Indigenous Medicine, University of Colombo, Colombo, Sri Lanka
2. Department of Ayurveda Pharmacology and Pharmaceutics, Institute of Indigenous Medicine, University of Colombo, Colombo, Sri Lanka
3. Department of Paediatrics, Faculty of Medical Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
4. Department of Biochemistry, Faculty of Medical Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka