?:authorAffiliation
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[\'Department of Economics, University of Zurich, Zurich, Switzerland.\', \'Clinic for Infectious Diseases and Hospital Epidemiology, Cantonal Hospital St. Gallen, St Gallen, Switzerland.\', \'Medical Research Center, Cantonal Hospital St. Gallen, St Gallen, Switzerland.\', \'Federal Office of Public Health, Bern, Switzerland.\', \'Department of Infectious Diseases and Hospital Epidemiology, Children\'s Hospital of Eastern Switzerland, St Gallen, Switzerland.\']
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