1 Florence-Nightingale-Hospital, Kaiserswerther Diakonie, Department of Emergency Medicine, Düsseldorf, Germany.
2 Deutsche Gesellschaft Interdisziplinäre Notfall- und Akutmedizin e.V., DGINA), German Association for Emergency Medicine, Berlin, Germany.
3 Department of Emergency Medicine, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt- Universität zu Berlin, Campus Benjamin Franklin, Berlin, Germany.
4 Department of Emergency Medicine, Helios Hospital Berlin-Buch, Berlin, Germany.
5 National Reference Centre for Surveillance of Nosocomial Infections, Institute of Hygiene and Environmental Medicine, Berlin, Germany.
6 Berlin Institute of Health, Institute of Hygiene and Environmental Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt- Universität zu Berlin, Berlin, Germany.
7 Berlin Institute of Health, Institute of Hygiene and Environmental Medicine, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt- Universität zu Berlin, Berlin, Germany. sonja.hansen@charite.de.
8 National Reference Centre for Surveillance of Nosocomial Infections, Institute of Hygiene and Environmental Medicine, Berlin, Germany. sonja.hansen@charite.de.