1. Center for Primary Health care and Equity, University of New South Wales, Sydney, Australia; Social Policy Research Centre, University of New South Wales, Sydney, Australia
2. Lingnan University, Tuen Mun, Hong Kong
3. Queen's University, Kingston, Ontario, Canada
4. University of Cambridge, United Kingdom
5. Miami University, Oxford, United States of America
6. Kwame Nkrumah University of Science and Technology, Kumasi, Ghana