1. From the Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark (M.L.S., A.I., S.P.J.); the Department of Health Technology Assessment and Health Services Research, Center for Public Health and Quality Improvement, the Central Denmark Region, Aarhus, Denmark (M.L.S., L.H.E.); and the Department of Business Studies, Aalborg University, Aalborg, Denmark (L.H.E.).