Timeline and completed intervention sessions
| Tier 1/Anne | Baseline 3 days | Intervention: 9 sessions PRPP, 45–60 min each, 3 sessions a week for 3 weeks | Postintervention measurement, incomplete and after 14-day delay due to hospital admission | Lost to follow-up measurement. |
| Tier 2/Carl | Baseline 5 days | Intervention: 30 sessions PRPP, 45–60 min each, 3 sessions a week for 9 weeks and then 2 weeks with a total of 3 sessions before postintervention 2 | Postintervention measurement after 10 and 13 weeks | Follow-up measurement; 4 weeks after discharge |
| Tier 3/Birger | Baseline 8 days | Intervention: 7 sessions PRPP, 45–60 min each, 3 sessions a week for 3 weeks | Postintervention measurement the last 2 days of admission | Follow-up measurement; 4 weeks after discharge |
PRPP, Perceive, Recall, Plan and Perform.