Participant characteristics
| Demographic | Mean (SD) |
| Age (years) | 32 (4) |
| Gender | 2 female, 6 male |
| Height (m) | 1.71 (0.07) |
| Weight (kg) | 77.1, (15.6) |
| Ethnicity | 4× white European; 4× Arabic (3× Saudi, 1× Egyptian) |
| BMI | 26.4 (5.8) |
| FEV1 (L) | 3.81 (1.01) |
| FEV1 % predicted | 95.9 (17.2) |
| FVC (L) | 4.86 (1.09) |
| FVC % predicted | 102.5 (14.3) |
BMI, body mass index; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity.