?:authorAffiliation
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[\'Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.\', \'Department of Statistics, Columbia University, New York, New York, United States of America.\', \'MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom.\', \'Division of infectious diseases, Federal Office of Public Health, Bern, Switzerland.\']
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