?:authorAffiliation
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[\'Division of Preventive, Occupational, and Aerospace Medicine, Mayo Clinic, Rochester, Minnesota, USA.\', \'Division of Infectious Diseases, Mayo Clinic, Rochester, Minnesota, USA.\', \'Occupational Health Services, Mayo Clinic, Rochester, Minnesota, USA.\', \'Division of Biostatistics, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA.\']
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