Table 2: Strength of Recommendations—Classification System CDC (Adapted from [127]).

A: Robust evidence of efficacy with significant clinical benefit; strongly recommended. B: Moderate evidence of efficacy, but with a limited or modest clinical benefit; usually recommended. C: Either insufficient evidence of efficacy or the benefit does not outweigh the risk/disadvantages (adverse events, costs, etc); optional. D: Evidence against the efficacy or risk may outweigh benefit; generally not recommended. E: Strong evidence against the efficacy or risk outweighs benefit; not recommended.