1 Centre for Health Policy, Institute of Global Health Innovation, Imperial College London, London SW7 2AZ, UK; Faculdade de Ciências da Saúde, Universidade da Beira Interior, Covilha, Portugal. Electronic address: franciscogoianasilva@gmail.com.
2 Centre for Innovation, Technology and Policy Research, IN+, Instituto Superior Técnico, University of Lisbon, Lisbon, Portugal.
3 EpiDoC Unit, Chronic Diseases Research Center (CEDOC), NOVA Medical School, Lisbon, Portugal; Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal.
4 Imperial College Business School, London, UK.
5 Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK.
6 Faculty of Medicine, Porto University, Porto, Portugal.