1. Department of Physiology, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kelantan, Malaysia
2. Unit of Physiology, Faculty of Medicine, Universiti Sultan Zainal Abidin, Kuala Terengganu, Malaysia
3. Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
4. Unit of Integrative Medicine, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kelantan, Malaysia