1. Department of International Health, School CAPHRI, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
2. Department of Health Policy and Management, Faculty of Health Sciences, Medical College, Jagiellonian University, Krakow, Poland
3. National Institute of Public Health, Warsaw, Poland (the Council for the Development of Human Resources for Public Health)
4. Department of Public Health, Faculty of Medicine, University of Medicine, Tirana, Albania
5. Division of Health Systems and Public Health, Public Health Services, WHO Regional Office for Europe, Copenhagen, Denmark