https://annalsmicrobiology.biomedcentral.com/articles/10.1186/s13213-020-01566-9 https://annalsmicrobiology.biomedcentral.com/articles/10.1186/s13213-020-01568-7 https://annalsmicrobiology.biomedcentral.com/articles/10.1186/s13213-020-01564-x