“…Accordingly, our literature review revealed that the different studies used a diversity of sampling methods (swabs, aspiration, molecular techniques) and sampling sites (middle meatus, maxillary sinus, other ethmoidal bulla, and frontal sinus), but none identified a distinct pattern of bacterial growth or a specific culprit species. The results of the most recent publications are summarized in table 1 [11,12,13,14,15,27,28,29]. …”