1. Department of Administrative Studies and Politics, Faculty of Economics and Administration, University of Malaya, Kuala Lumpur, Malaysia
2. Tun Abdul Razak School of Government, Tun Abdul Razak University, Kuala Lumpur, Malaysia
3. Department of Economics, Faculty of Economics and Administration, University of Malaya, Kuala Lumpur, Malaysia
4. Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia