Characteristics of the participants
| Age (year) | 26 (24–28) |
| Sex (count, %) | |
| Male | 19, 51.4 |
| Female | 18, 41.6 |
| Background (count, %) | |
| Medical | 26, 70.3 |
| Paramedic | 11, 29.7 |
| Weight (kg) | 59.4±11.6 |
| Height (cm) | 168.0±7.7 |
Age was described median (IQR). Weight and height were described as mean±SD.