“…Eleven studies were conducted in America (19)(20)(21)(24)(25)(26)(27)29,35,36,41) , 7 in Europe (18,28,32,33,37,38,40) and 5 in Asia (22,23,30,31,39) . Thirteen studies included only adults (18,20,21,(27)(28)(29)(30)33,(35)(36)(37)(39)(40)(41) , 6 included only children/adolescents (19,22,23,26,31,34) and 4 included participants of both age groups (24,25,32,38) . Allergic rhinitis diagnosis was performed by a physician at the time of assessment in 6 studies (18)(19)(20)…”