Auszug aus Original-Abstract: [...] We find that discomfort (0.544), irritability (0.515), and appetite loss (0.485) are the most relevant symptoms correlated with exposure intensity. Others symptoms: fatigue (0.438), headache (0.413), difficulty in concentrating (0.469) and sleep disturbances (0.413) also show a significant correlation with exposure intensity. [...] four of the high correlated symptoms (Table 2) such as headache, sleep disturbances, concentration difficulty and irritability also show the most relevant differences between both groups and the highest values in the clinical scale, 2.17, 1.94, 1.56 and 1.56 respectively[...]