?:authorAffiliation
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[\'Children\'s Hospital of Brescia, Brescia, Italy.\', \'Paediatric Immunology and Vaccinology Unit, Division of General Paediatrics, Department of Paediatrics, Gynaecology and Obstetrics, Geneva University Hospitals and University of Geneva, Geneva, Switzerland.\', \'Paediatric Infectious Diseases Unit, Division of General Paediatrics, Department of Paediatrics, Gynaecology and Obstetrics, Geneva University Hospitals and University of Geneva, Geneva, Switzerland.\', \'Department of Economics, Faculty of Business and Economics Hautes études commerciales (HEC) Lausanne), University of Lausanne and Centre for Economic Policy Research (CEPR), Lausanne, Switzerland.\']
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