Published on in Vol 5, No 1 (2019): Jan-Mar
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11465, first published
.
1 Department of Surveillance and Infectious Disease Epidemiology, Institute of Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety, Vienna, Austria
2 Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden