1. World Health Organization Regional Office for Europe, Quality of care and patient safety office, Athens, Greece
2. World Health Organization Regional Office for Europe, Child and Adolescent Health, Copenhagen, Denmark
3. World Health Organization Romania country office, Bucharest, Romania
4. Department of Public Health, Faculty of Political, Administrative and Communication Sciences, Babeș-Bolyai University, Cluj-Napoca, Romania
5. Carol Davila University of Medicine, Bucharest, Romania
6. Witten Herdecke University, Witten, Germany