1. Local Health Unit of Reggio Emilia, Via Giovanni Amendola, 2, 42122, Reggio Emilia, Italy
2. London School of Hygiene & Tropical Medicine London, WC1H 9SH, 15-17 Tavistock Place, United Kingdom
3. Austrian National Public Health Institute (Gesundheit Österreich GmbH, GÖG)
4. European Observatory on Health Systems and Policies Place Victor Horta 40/10, 1060 Brussels, Belgium
5. European Observatory on Health Systems and Policies, London School of Hygiene & Tropical Medicine, London, WC1H 9SH, 15-17 Tavistock Place, United Kingdom