**4. Results of the search**

A total of 1286 articles related to eight conditions were searched (**Table 1**). After reviewing the abstract and full text of the article, 17 systematic reviews and meta-analyses of the six conditions that met the inclusion criteria were finally


#### **Table 1.**

*Total articles and articles selected.*

included [13–29], and articles related to allergic rhinitis and chemotherapy-induced nausea and vomiting (CINV) did not meet the criteria for inclusion (**Table 1**).
