1. Health Systems Governance and Financing Department, World Health Organization, Avenue Appia 20, 1202, Switzerland
2. London Hubs Coordinator, European Observatory on Health Systems and Policies, London School of Hygiene and Tropical Medicine, Cowdray House, COW 4.02, London WC2A 2AE, UK
3. International Health Policy Program, Ministry of Public Health, Tiwanond Road, Amphur Muang, Nonthaburi 11000, Thailand
4. Kwame Nkrumah University of Science and Technology, Accra Road, Kumasi, Ghana
5. Regional Office for Europe, World Health Organization, UN City, Marmorvej 51, 2100 København, Denmark
6. Center for Global Development, 2055 L Street NW, Washington, DC 20036, USA