1. Julius Centre, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
2. Mediconsult Sdn. Bhd., A13/1/1 Jalan Ampang Utama 2/2, One Ampang Business Avenue, Ampang, Selangor, Malaysia
3. Consultant for Health Systems Development, Lenaustrasse 15, Leipzig, Germany
4. Institute for Health Management, Ministry of Health Malaysia, Jalan Bangsar, Kuala Lumpur, Malaysia