1Oxford Outcomes Inc, an ICON plc Company, 7315 Wisconsin Ave. Ste 250 W, Bethesda, MD, 20814, UK
2Shire AG (Shire), Route de Crassier, 7, 1262, Eysins, Switzerland
3Health Economics and Decision Science, School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, UK