1 Paul H Nitze School of Advanced International Studies, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA.
2 World Health Organization, Geneva, 1211, Switzerland. Electronic address: miktonc@who.int.
3 Université de Sherbrooke, Faculté des lettres et sciences humaines, École de travail social, Centre de recherche sur le vieillissement, CIUSSS Estrie-CHUS, QC, Canada.
4 Division of Country Health Policies and Systems, World Health Organization Regional Office for Europe, Copenhagen, Denmark.
5 Institute of Criminology, University of Cambridge, Cambridge, UK.