“…16 (44%) of the studies reported on patients using preventer asthma medications [33,39,41,44,[50][51][52][54][55][56]62,66,68,[70][71][72], seven (19%) on a combination of preventer and reliever therapies [13,42,45,47,48,67,69]; eight (22%) on different treatments for different groups within the studies (monotherapy and combination therapies) [49,53,[57][58][59]61,63,64]. In five (14%) of the studies, no type of medication was stated [40,43,46,60,65].…”