Assessing the effect of portable air purifiers on child absence rate in German daycare centers: a longitudinal observational study

Hannah Stephan, Felix Droop, Thomas Kistemann, Nico T. Mutters, Timo Falkenberg
Institute for Hygiene and Public Health, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany

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Contact:

Hannah Stephan
Researcher Medical Geography
Institute for Hygiene and Public Health, GeoHealth Centre
University Hospital Bonn
Venusberg-Campus 1, 53127 Bonn, Germany

Tel +49 (0) 228 287 19515
E-Mail hannah.stephan@ukbonn.de