1. Department of Public Health, Faculty of Political, Administrative, and Communication Sciences, Babeș-Bolyai University , Cluj-Napoca, Romania
2. EUPHAnxt, European Public Health Association , Utrecht, The Netherlands
3. Center for Health Workforce Research and Policy, Faculty of Political, Administrative and Communication Sciences, Babeș-Bolyai University , Cluj-Napoca, Romania
4. Institute of Epidemiology, Social Medicine and Health System Research, Hannover Medical School , Hannover, Germany
5. Health and Health Systems, Faculty I, University of Siegen , Siegen, Germany
6. Institute of Hygiene and Tropical Medicine , Lisbon, Portugal
7. World Health Organization Collaborating Centre for Health Workforce Policy and Planning , Lisbon, Portugal