<qa>  What is the blaTEM primer used?Relative abundance of resistant genes The blaTEM primer used will be as described by Kim et al 22. Primers to analyze the presence of erm G, erm B and erm F resistance genes will be as described by Jansonn et al 23. Primers for Tet M and Tet W genes will as described by Diaz-Torez et al 24. 16S universal primers will be used for the relative quantification as a standard. 