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Authors
Ayobami, Olaniyi
Willrich, Niklas
Suwono, Beneditta
Eckmanns, Tim
Markwart, Robby http://orcid.org/0000-0003-0338-3433
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Article History
Received: 23 December 2019
Accepted: 4 June 2020
First Online: 19 June 2020
Ethics approval and consent to participate
: The study only includes anonymised routine surveillance data. Ethical approval for analysis of such surveillance data is not required according to the Medical Association’s professional code of conduct.
: All authors read and approved the final manuscript and gave consent for publication.
: The authors declare that they have no competing interests.
