Received: 7 November 2019
Accepted: 10 June 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: The bacterial isolates were collected in the course of routine active surveillance and infection prevention control according to guidelines of National Healthcare Authorities. Personal data were anonymized and handled in compliance with the General Data Protection Regulation and medical-ethical guidelines of Charité - Universitätsmedizin Berlin for anonymized use of patient materials. Therefore, ethical approval by an institutional board was not necessary.
: Not applicable.
: The authors declare that they have no competing interests.