Table 1 Overview of the contents of the study and intervention manual

• Recruitment

• Inclusion and exclusion criteria

• Patient information and consent

• Baseline and follow-up survey

• Randomisation

• Data extraction and transmission

• Description of the outcome measurements

• Data analysis

• Process evaluation

• Scientific output

• Guidelines for participant contacts (informed consent conversation, telephone monitoring)

• Description of intervention materials (e.g. flyer, pamphlet)

• Description of the organisational context of the intervention (e.g. premises and consultation hours of the outpatient clinic)

• Template for the medical letter of the ICU follow-up clinic visit

• Key features for planning the patient support group