?:authorAffiliation
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[\'Department for Physical Activity in Public Health, German Sport University Institute of Movement and Neurosciences, Cologne, Germany c.joisten@dshs-koeln.de.\', \'Department of Infection Control and Environmental Hygiene, Cologne Health Authority, Cologne, Germany.\', \'Institute of Hygiene, University Hospital Muenster, Muenster, Germany.\', \'Cologne Health Authority, Cologne, Germany.\', \'Department for Physical Activity in Public Health, German Sport University Institute of Movement and Neurosciences, Cologne, Germany.\', \'Institute for Occupational Medicine and Social Medicine, University Hospital, Medical Faculty, RWTH Aachen University, Aachen, Germany.\']
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