1. Institute of Health Policy and Management; Erasmus University Rotterdam; Rotterdam The Netherlands
2. Institute of Health Economics and Management; University of Lausanne; Lausanne Switzerland
3. National Institute of Public Health; Phnom Penh Cambodia
4. Institute of Tropical Medicine; Antwerp Belgium
5. Erasmus School of Economics; Erasmus University Rotterdam; Rotterdam The Netherlands
6. Tinbergen Institute; Amsterdam The Netherlands
7. University of Macedonia; Thessaloniki Greece