https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0348-7 https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0334-0 https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0359-4 https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0357-6 https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0355-8 https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0352-y https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0356-7 https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0354-9 https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0360-y https://aricjournal.biomedcentral.com/articles/10.1186/s13756-018-0351-z