?:authorAffiliation
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[\'Preventive Medicine and Public Health Department, University of Zaragoza, 50009 Zaragoza, Spain.\', \'Instituto de Investigación Sanitaria de Aragón, IIS Aragón, 50009 Zaragoza, Spain.\', \'Grupo de Investigación en Servicios Sanitarios de Aragón (GRISSA), IIS Aragón, 50009 Zaragoza, Spain.\', \'Department of Economic Structure, Economic History and Public Economics, University of Zaragoza, 50009 Zaragoza, Spain.\', \'Department of Medicine, Psychiatry and Dermatology, University of Zaragoza, 50009 Zaragoza, Spain.\']
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