Robert H. Blank is an Adjunct Professor at University of Canterbury, New Zealand, and Visiting Professor in Public Health at the National Taiwan University. Viola Burau is Associate Professor at the University of Aarhus, Denmark, and Senior Researcher at DEFACTUM – Public Health and Health Services Research, Denmark. Ellen Kuhlmann is Senior Researcher at Goethe-University Frankfurt, Germany, and Medical Management Centre, Karolinska Institutet, Sweden.