Follow-up patient characteristics
| Demographics | |
| Total number of participants | 7 |
| Age years (mean±sd) | 57.2±13.3 |
| Age years (range) | 29–70 |
| Female | 2 (28.5) |
| Male | 5 (71.5) |
| Previous WHO symptom severity score (mode) | 1 |
| Comorbidities | |
| None | 2 (28.6) |
| Diabetes (including pre-diabetes) | 1 (14.2) |
| Asthma | 1 (14.2) |
| Cardiovascular disease | 1 (14.2) |
| Cancer | 1 (14.2) |
| Obesity | 1 (14.2) |
Data are presented as n (%) unless otherwise stated. WHO: World Health Organization.