?:authorAffiliation
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[\'Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark. nls@ssi.dk.\', \'Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark.\', \'Statistical Office of the European Union (Eurostat), Population and Migration Unit, Luxembourg, Luxembourg.\', \'Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.\']
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