1. Evidence, Pricing, and Access Unit, HERON Evidence Development Ltd, Building 210a, Butterfield Technology Park, Luton LU2 8DL, UK
2. Health Economics EMEA, GE Healthcare Ltd, Amersham Place, Little Chalfont, Buckinghamshire HP7 9NA, UK
3. School of Economics, University of Surrey, Guildford, Surrey GU2 7XH, UK
4. Arnau de Vilanova University Hospital, 80 Alcalde Rovira Roure Avenue, Lleida, 25198 Cataluna, Spain