1. Department of Physiology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
2. Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Queensland, Australia
3. Department of Pharmacology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
4. Colombo North Teaching Hospital, Hospital Inner Road, Ragama, Sri Lanka
5. Department of Anatomy, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
6. School of Health Sciences, College of Health and Medicine, University of Tasmania, Launceston, Tasmania, Australia