1. Leuven Institute for Healthcare Policy, Department of Public Health and Primary Care, KU Leuven - University of Leuven, Leuven, Belgium
2. Department of Quality Management, University Hospitals Leuven, Leuven, Belgium
3. Department of Health Services Policy and Management, Centro de Investigação em Saúde Pública (CISP), Escola Nacional de Saúde Pública (ENSP), Universidade Nova de Lisboa (UNL), Lisbon, Portugal
4. Department of Translational Medicine, Amedeo Avogadro University of Eastern Piedmont, Vercilli, Italy