Table 2 Example of keyword search string

(“Assisted mobility” Or “Assistive mobility” Or “Brain damage*” Or “Brain injur*” Or Buggy Or Caliper Or Cane Or “Cerebral palsy” Or “Club foot” Or Clubfoot Or Crutch* Or Diplegi* Or Dysmelia Or Dystroph* Or “Electric chair” Or “Electric powered indoor outdoor chair” Or “Electric powered indoor/outdoor chair” Or “Electric scooter” Or “Electrically powered indoor outdoor chair” Or “Electrically powered indoor/outdoor chair” Or “Electronically powered indoor outdoor chair” Or “Electronically powered indoor/outdoor chair” Or encephal* Or EPIOC Or “Functional disab*” Or Handicap* Or Hemiplegi* Or Hydrocephalus Or “Knee scooter” Or “Knee walker” Or “Mobility aid” Or “Mobility device” Or “Mobility dis*” Or “Mobility equipment” Or “Mobility impair*” Or “Mobility scooter” Or “Mobility technolog*” Or “Motor dis*” Or “Motorised scooter” Or Neurodisability Or “Neurological dis*” Or “Neuromotor dis*” Or “Neuromuscular dis*” Or Orthoti* Or “Osteogenesis imperfect” Or Paraly* Or Paraplegi* Or “Physical disab*” Or “Physical impair*” Or “Physically disab*” Or “Physically impaired” Or “Power chair” Or “Powered chair” Or Pushchair Or Quadriplegi* Or Rollator Or Scooter Or “Spina bifida” Or “Spinal muscular atrophy” Or Talipes Or Tetraplegi* Or “Walk aid” Or “Walk-aid” Or Walker Or “Walking aid” Or “Walking frame” Or “Walking stick” Or “Walking-aid” Or Wheelchair) AND (15D OR AQoL OR “Assessment of Quality of Life” OR “Child health utilities” OR “Child health utility” OR CHU9D OR “CHU-9D” OR EQ. 5D OR “EQ-5D” OR EuroQoL OR “Health utilities” OR “Health-utilities” OR HUI OR HUI2 OR HUI3 OR “Preference-based” OR “Preference based” OR QALY OR “Quality adjusted life year” OR “Quality of well-being scale” OR “Quality-adjusted life year” OR “QWB-SA” OR “Short Form Six Dimension” OR “Short From 6 Dimension” OR SF6D OR “SF-6D”)