1. Health Economics and Social Security Department, Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland.
2. Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical College, Krakow, Poland.
3. Harvard T.H. Chan School of Public Health, Boston, MA, USA.
4. Department of Health Care Management, Technische Universität Berlin, Berlin, Germany.
5. European Observatory on Health Systems and Policies, WHO European Centre for Health Policy Eurostation (Office 07C020), Brussels, Belgium.