1. Department of International Health, CAPHRI-Care and Public Health Research Institute, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
2. Department of Sociology, Interface Demography, Vrije Universiteit Brussel, Brussels, Belgium
3. Institute for Public Communication, University of Lugano, Lugano, Switzerland
4. Institute of Global Health Innovation, Imperial College London, London, UK
5. Faculty for Human and Health Sciences, University of Bremen, Bremen, Germany
6. Institute of Public Health, Jagiellonian University, Krakow, Poland