1. Centre for Public Health, Health Services and Society, National Institute for Public Health and the Environment (RIVM) , Bilthoven, The Netherlands
2. UNIDEMI, Department of Mechanical and Industrial Engineering, NOVA School of Science and Technology, Universidade NOVA de Lisboa , Caparica, Portugal
3. Laboratório Associado de Sistemas Inteligentes, LASI , Guimarães, Portugal
4. WHO Collaborating Center on Health Workforce Policy and Planning, Instituto de Higiene e Medicina Tropical, Universidade NOVA de Lisboa , Lisbon, Portugal