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. Utrecht Institute for Pharmaceutical Sciences, Division of Pharmacology; Utrecht University; Utrecht The Netherlands
5. Centre for Human Psychopharmacology; Swinburne University; Melbourne Australia