1 Centre for Health Policy, Institute of Global Health Innovation, Imperial College London, London SW7 2NA, UK; Faculty of Health Sciences, University of Beira Interior, Covilhã, Portugal. Electronic address: [email protected].
2 IN+ Centre for Innovation, Technology and Policy Research, Instituto Superior Técnico, University of Lisbon, Lisbon, Portugal.
3 Ministry of Education, Government of Portugal, Lisbon, Portugal.
4 ISCTE Business School, ISCTE Lisbon University Institute, Lisbon, Portugal.
5 Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London, UK.
6 Faculty of Medicine, University of Porto, Porto, Portugal; University Hospital São João, Porto, Portugal.