The work package on barriers is coordinated by Martin McKee, PhD. Martin McKee is Professor of European Public Health at the London School of Hygiene and Tropical Medicine where he was founding director of the European Centre on Health of Societies in transition, a WHO Collaborating Centre, and is also Director of Research Policy at the European Observatory on Health Systems and Policies. His research interests are in health systems and policy research, drawing on a range of quantitative and qualitative methods. He is committed to knowledge transfer, seeking to ensure that his research impacts on policy. He is a former chair of the WHO European Advisory Committee on Health Research, a member of the European Commission’s Expert Panel on Investing on Health, and chair of the Global Health Advisory Committee of the Open Society Foundations (New York).