Assessment of safety and feasibility.
| Measures | Time of collection |
| Feasibility—recruitment and completion | |
| Referred patients | Trial completion |
| Eligible patients | Trial completion |
| Enrolled patients | Trial completion |
| Trial completion | Trial completion |
| Patient withdrawals | Trial completion |
| Patient dropouts | Trial completion |
| Feasibility—programme tolerance | |
| Pre-sessional and post-sessional exhaustion, pain and dyspnoea | At each exercise session |
| ECG recordings | At each exercise session |
| Feasibility—programme adherence | |
| Number of completed sessions | Trial completion |
| Time/sets completed in each session | At each exercise session |
| Patient safety | |
| Number of adverse events | Once weekly and 3-month follow-up |
| Number of severe adverse events | Once weekly and 3-month follow-up |
| Hospital admissions/days of hospitalisation | Once weekly and 3-months follow-up |